American Philosophical Society Museum 104 S. 5th St.; 215-440-3400. www.apsmuseum.org. Of Elephants & Roses: Encounters With French Natural History, 1790-1830. Donation suggested: $1. 10 am-4 pm Fri.-Sun.
American Swedish Historical Museum 1900 Pattison Ave.; 215-389-1776. www.americanswedish.org. Featuring exhibits dedicated to Swedish American history, Swedish arts & culture. Elsebeth Lavold: Knitting Along the Viking Trail. $6; $5 seniors & students; free under 12. Tue.-Fri. 10 am-4 pm, Sat.-Sun. noon-4 pm.
American Women's Heritage Society Underground Railroad Museum 2000 Belmont Mansion Dr.; 215-878-8844. www.belmontmansion.org. Winter: Tue.-Fri. 11 am-5 pm. Sat-Sun noon-5.
Bartram's Garden 54th St.; 215-729-5281. www.bartramsgarden.org. America's oldest living botanical garden & the pre-revolutionary home of naturalist, botanist & explorer John Bartram. Grounds: Daily 10 am-5 pm. Tours: Mar.-2nd week of Dec.: noon-4 pm.
Betsy Ross House 239 Arch St.; 215-686-1252. www.betsyrosshouse.org. Death Parts United Hearts: Death in the Life of Betsy Ross. $3; $2 seniors, military & children under 13. Apr.-Sept.: Daily 10 am-5 pm. Oct.-Mar.: Tue.-Sun. 10 am-5 pm.
Christ Church 2nd & Market Sts.; 215-922-1695. www.christchurchphila.org. Georgian architectural treasure attended by founding fathers; heritage is well documented by an extensive collection of artifacts as well as archival & library materials. Donation suggested: $3; $2 students. Mon.-Sat. 9 am-5 pm; Sun. 1 pm-5 pm.
Christ Church Burial Ground 5th & Arch Sts.; 215-922-1695. www.christchurchphila.org. Final resting place of Benjamin Franklin & 4 other signers of the Declaration of Independence. Mon-Sat. 10 am-4 pm; Sun. noon-4 pm.
Eastern State Penitentiary 22nd St. & Fairmount Ave.; 215-236-3300. www.easternstate.org. The vaulted, sky-lit cells of this prison once held many of America's most notorious criminals, including bank robber Willie Sutton & Al Capone. TowerCam!. The William Portner Memorial Exhibit on Jewish Life at ESP. $12; $10 seniors; $8 students & children 7-12. Children under 7 cannot be admitted to the site. Daily 10 am-5 pm.
Edgar Allan Poe National Historical Site Spring Garden St.; 215-597-8780. www.nps.gov/edal. Home of the noted author from 1843-44. Free. 9 am-5 pm Wed.-Sun..
Elfreth's Alley Second St.; 215-574-0560. www.elfrethsalley.org. $2; $1 children 6-18. Mon.-Sat. 10 am-5 pm, Sun. noon-5 pm.
Fairmount Water Works Interpretive Center 640 Waterworks Dr.; 215-685-0723. www.fairmountwaterworks.com. Water in Our World. Sunday Movie Matinee. Science Saturdays. Closes 3/26. Free. Tue.-Sat. 10 am-5 pm; Sun. 1-5 pm.
The Federal Reserve Bank of Philadelphia 100 N. 6th St.; 866-574-3727. www.philadelphiafed.org. Money in Motion. Free. Mon.-Fri. 9:30 am-4:30 pm. Open weekends Jun.-Aug. Closed bank holidays..
Fort Mifflin Fort Mifflin Rd.; 215-685-4167. www.fortmifflin.us. $6; $5 seniors; $3 kids 5-12 & veterans; free for kids under 5. Wed.-Sun. 10 am-4 pm.
The Franklin Institute 222 N. 20th St.; 215-448-1200. www.fi.edu. Giant Heart. Space Command. Sports Challenge. The Franklin Air Show. The Train Factory. Sir Isaac's Loft. Franklin National Memorial. Changing Earth. Electricity. Leonardo da Vinci's Workshop. $24.50; $23.50 seniors; $17.50 children 4-11. Leonardo da Vinci's Workshop. $10; $6 children 4-11. TFI After Dark. $15. 3/25. 6-10 pm. How Things Work Weekends. Closes 3/27. Year of the Macs Black Tie Gala. $250. 3/29. 6 pm. Sci-Pass: $14.75; $13.75 seniors, students & military; $12.00 children. IMAX show times vary. Permanent exhibits open daily 9:30 am-5 pm.
Franklin Square 6th & Race Sts.; 215-629-4026. www.historicphiladelphia.org. Daily 10 am-9 pm thru Labor Day.
Historic Philadelphia Center 6th and Chestnut Sts.; 215-629-4026. historicphiladelphia.org. Liberty 360. $7; $6 seniors, students, military and children under 12. Closes 3/31. .
Independence Hall Chestnut St.; 800-537-7676. www.nps.gov/inde/independence-hall-1.htm. Guided Tour - Explore this historic example of Georgian architecture. Independence Hall Tour. Daily 9 am-5 pm.
Independence National Historical Park 6th & Market Sts.; 215-965-2305. www.nps.gov/inde/. Most sites free. Daily 8:30 am-5 pm.
Independence Seaport Museum 211 S. Columbus Blvd.; 215-925-5439. www.phillyseaport.org. It Sprang From the River: Everyday Objects With Maritime Secrets. Home Port Philadelphia. On the Rivers, On the Shores. Olympia: Launching the American Century. Philadelphia & the China Trade. What Floats Your Boat?. Coming to America. Divers of the Deep. PCMS Concert: Hiroko Yajima, Samuel Rhodes, Marcy Rosen & Lydia Artymiw. $23. 3/25. 8 pm. $12; $10 seniors; $7 children/students/military; free for children under 2. 10 am-5 pm daily.
Independence Visitor Center N. 6th St. & Market St.; 800-537-7676. www.independencevisitorcenter.com/. Open daily 8:30 am-6 pm.
Laurel Hill Cemetery - The Underground Museum 3822 Ridge Ave.; 215-228-8200. www.thelaurelhillcemetery.org. Outdoor sculptural garden, horticultural gem & unique historical landmark featuring over 75 acres of art & history. The Cure for What Ails You. $10-$15. 3/26. 2 pm. Free. Mon.-Fri. 8 am-4:30 pm; Sat.-Sun. 9:30 am-5 pm.
Laurel Hill Mansion East Fairmount Park; 215-235-1776. www.fairmountpark.org/LaurelHill.asp/. Georgian-style mansion built in 1767 by Rebecca Rawle. $5. .
Liberty Bell Center 501 Market St.; 215-965-2305. www.nps.gov/inde. Home of the Liberty Bell & exhibits on its origins & role as symbol of freedom. Home of the Liberty Bell. Free. Mon.-Fri .9 am-5 pm; Sat.-Sun. 9 am-6 pm.
Morris Arboretum of the University of Pennsylvania 100 E. Northwestern Ave.; 215-247-5777. www.morrisarboretum.org. meta Metasequoia. $16; $14 seniors; $7 students & youth 3-17; free for children under 3. Hours vary throughout year.
The Mutter Museum 19 S. 22nd St.; 215-563-3737. www.collphyphil.org. Over 200 wet & dry specimens, lantern slides, x-rays & more. Rarely Seen: Hidden Collections From the Mutter Museum. Closes 3/31. $12; $8 seniors, students, children 6-17; free for children under 6. Daily 10 am-5 pm.
National Constitution Center 525 Arch St.; 215-409-6600. www.constitutioncenter.org. 1787 copy on display plus more than 100 interactive exhibits, Signer's Hall, The Story of We the People (Multimedia presentation featuring live actor, film & video projection, family-oriented exhibits) & more. From the Absence of Many to the Presence of All. Closes 3/31. The "We the People" Mosaic. The Story of We the People. Audio Tour: Meet the Signers. Regular admission. Spies, Traitors & Saboteurs: Fear & Freedom in America. $15; $14 seniors and students; $11 children 4-12; free for active military personnel and children 3 and under. Women's History Month. 3/30. 11 am-2 pm. Regular admission: $12; $11 seniors; $8 children 4-12; free for children under 4 & military (audio tour $3). Mon.-Fri. 9:30 am-5 pm, Sat. 9:30 am-6 pm, Sun. noon-5 pm.
National Liberty Museum 321 Chestnut St.; 215-925-2800. www.libertymuseum.org. Coming to America. From Conflict to Harmony. Liberty Hall. Voyage to Liberty Through Faith. Heroes From Around the World. Independence Starts Here: Exceptional People. Heroes of 9/11. Education Center / Chihuly Gallery. Let Freedom Ring. Heroes of Character. $7; $6 seniors; $5 students; $2 youth 5-17; free for members & children under 5. Open 7 days a week (closed Mon. fall, winter, spring).
National Museum of American Jewish History 101 S. Independence Mall East; 215-923-3811. www.nmajh.org. Only in America. $12; $11 seniors & youth 13-21; free for children 12 & under. Tue.-Fri. 10 am-5 pm; Sat.-Sun 10 am-5:30 pm.
Philadelphia History Museum at the Atwater Kent 15 S. 7th St.; 215-685-4830. www.philadelphiahistory.org. Open for special programming only. Reopening September 2011.. Open for special programming only. Reopening September 2011..
The Philadelphia Zoo 3400 W. Girard Ave.; 215-243-1100. www.philadelphiazoo.org. Big Cat Falls. Children's Zoo. Rare Animal Conservation Center. Reptile and Amphibian House. PECO Primate Reserve. African Plains. Bear Country. Bird Valley. Carnivore Kingdom. Monkey Junction. McNeil Avian Center. Prairie Dogs. Small Mammal House. $18; $15 children; free for members & children under 2. Daily 9:30 am-5 pm.
Polish American Cultural Center & Museum 308 Walnut St.; 215-922-1700. www.polishamericancenter.org. Free. Mon.-Sat. 10 am-4 pm.
Ryerss Museum & Library 7370 Central Ave.; 215-685-0544. ryerssmuseum.org. Asian art & artifacts as well as generations of family heirlooms & paintings. Tours of the Ryerss Museum. Donations accepted. Burholme Stamp Club Meeting. 3/26. 1 pm. Fox Chase Reading Series. 3/27. 2 pm. Donations accepted. Fri.-Sun. 10 am-4 pm.
Penn Museum (University of Pennsylvania Museum of Archaeology & Anthropology) 3260 South St.; 215-898-4000. www.penn.museum. 3 gallery floors with art & artifacts from ancient Egypt, Asia, the Americas, Africa, and the ancient Mediterranean world. Pablo Helguera: What in the World. Righteous Dopefiend: Homelessness, Addiction & Poverty in Urban America. Fulfilling a Prophecy: The Past & Present of the Lenape in Pennsylvania. Year of Water 2010-2011. Fang! The Killing Tooth. Secrets of the Silk Road. Self-Guided Tour: Silk Road Highlights. Archaeologists & Travelers in Ottoman Lands. Secrets of the Silk Road. $22.50; $18.50 seniors and military; $16.50 full-time students and children 6-17. Closes 3/28. PECO World Culture Days. Paleontology Series: Exceptional Fossil Preservation. Mummies: Through Time, Across Continents. Explore the Silk Road. Donation suggested: $10; $7 seniors; $6 students & children 6-17; free for children under 6. Tue., Thur.-Sun. 10 am-5 pm; Wed. 10 am-8 pm.
Wagner Free Institute of Science 1700 W. Montgomery Ave.; 215-763-6529. www.wagnerfreeinstitute.org. Founded 1855. Houses Wagner's natural history collection of skeletons, mounted animals, fossils. Guided Tour. $15; $10 seniors and students; $5 children. Westbrook Lecture 2011: Adventures Among Ants. 3/26. 1 pm. Donation suggested: $8; Guided tours: $15; $10 seniors; $5 children. Office: Mon.-Fri. 9 am-5 pm.
Woodford Mansion 33rd & Dauphin St.; 215-229-6115. www.woodfordmansion.org. Elegant 18th century summer house furnished with an exquisite collection of period antiques. Guided Tours of Woodford Mansion. $5; $3 seniors; $2 children 6-12. .
The Woodlands 4000 Woodland Ave.; 215-386-2181. www.woodlandsphila.org. National Historic Landmark District featuring the William Hamilton mansion & carriage house of 1789 & the continuously active Woodlands Cemetery founded on the remains of Hamilton's estate in 1840. .American Helicopter Museum & Learning Center
1220 American Blvd., West Chester; 610-436-9600. www.helicoptermuseum.org
. Helicopter Exhibit. $6; $5 seniors; $4 students; free under 2. Wed.-Sat. 10 am-5 pm, Sun. noon-5 pm.
Beth Sholom Synagogue 8231 Old York Rd., Jenkintown; 215-887-1342. www.bethsholompreservation.org. Sun. 10 am-4 pm; Wed.-Thu. 10 am-2 pm.
Brandywine Battlefield Historic Site Route 1, Chadds Ford; 610-459-3342. www.brandywinebattlefield.org. 52 acres of woodlands, meadows, Washington's headquarters, artifacts, weapons, uniforms. House tours: $5; $3.50 seniors; $2.50 children 6-17; free for children under 6. Park free. Tue.-Sat. 9 am-5 pm, Sun. noon-5 pm.
Chadds Ford Historical Society 1736 Creek Rd., Chadds Ford; 610-388-7376. www.chaddsfordhistory.org. .
Chester County Historical Society 225 N. High St., West Chester; 610-692-4800. www.cchs-pa.org/. Chester County: A View of the Past. Chester County Craftsmanship. Chilling Reality: Chester County's Arctic Explorers. $5; $4 seniors & students; $2.50 children; free for children under 6. Wed.-Sat. 10 am-5 pm.
Elmwood Park Zoo 1661 Harding Blvd., Norristown; 610-277-3825. www.elmwoodparkzoo.org. The Norristown Zoological Society operates the Zoo, an educational adventure in a fun, clean & family-oriented environment. $12; $9 seniors and children; free for children under 2. Mar.-Nov.: daily 10 am-4 pm. Dec.-Feb.: Fri.-Sun. 10 am-4 pm.
Fonthill Museum E. Court St., Doylestown; 215-348-9461. www.fonthillmuseum.org. Behind the Scenes at Fonthill. $15. 3/26. 6:30-9 pm. $10; $9 seniors 65 & over; $4 children 5-17; free for children under 5. Mon.-Sat. 10 am-5 pm, Sun. noon-5 pm. Reservations recommended.
Hopewell Furnace 2 Mark Bird Ln., Elverson; 610-582-8773. www.nps.gov/hofu. Daily 9 am-5 pm.
Longwood Gardens Rte. 1, Kennett Square; 610-388-1000. www.longwoodgardens.org. $16; $14 seniors (ages 62 & over); $6 students (5-22); free for children 4 & under. Daily 9 am-5 pm.
The Mercer Museum 84 S. Pine St., Doylestown; 215-345-0210. www.mercermuseum.org. Spring Card Party. $7. 3/30. 12 pm. $9; $8 seniors 65 & over; $4 children 5-17; free for children under 5. Mon.-Sat. 10 am-5 pm; Sun. noon-5 pm.
Pearl S. Buck International (Pearl S. Buck House) 520 Dublin Rd., Perkasie; 215-249-0100. www.psbi.org. The Silver Screen at Green Hills Farm. $8; $7 seniors; $6 students. $7; $6 seniors; free for children under 6. Tue.-Sat. at 11 am, 1 & 2 pm; Sun. at 1 & 2 pm.
Pennsbury Manor 400 Pennsbury Memorial Rd., Morrisville; 215-946-0400. www.pennsburymanor.org. Recreated country home of William Penn. Provides a peaceful contrast to the hurry of modern American life. The Seed of a Nation: Honoring William Penn's Vision. April- November: Tue.-Sat. 9 am-5 pm; Sun. noon-5 pm.
Pennypacker Mills 5 Haldeman Rd., Schwenksville; 610-287-9349. historicsites.montcopa.org/pennypackermills. Turn-of-the-century mansion & farm of PA's 25th Governor Samuel W. Pennypacker (1903-1907). Wind It Up & Hear It Play. Free. Tue.-Sat. 10 am-4 pm; Sun. 1-4 pm.
Pottsgrove Manor 100 W. King St., Pottstown; 610-326-4014. www.historicsites.montcopa.org. Guided Tours of Pottsgrove Manor. Donations accepted. Spiritous Liquors & Healthful Distillations: Alcohol in Colonial America. Donation suggested: $2. Donations accepted. Tue.-Sat. 10 am-4 pm, Sun. 1-4 pm.
Richard Wall House Museum 1 Wall Park Dr., Elkins Park; 215-887-9159. Features 4 floors of exhibits, visitors' orientation center, springhouse, "Flapper" room, Victorian & Edwardian fashions & more. Sun. 1 pm-4 pm.
Tyler Arboretum 515 Painter Rd., Media; 610-566-9134. www.tylerarboretum.org/. Garden Sprouts: What Smells?. $8. Closes 3/29. Tiny Trackers. $8; $6 members. Closes 3/31. $9; $8 seniors; $5 children 3-15. Daily 8 am-dusk.
Valley Forge National Historical Park 1400 N. Outer Line Dr., King of Prussia; 610-783-1099. www.nps.gov/vafo. Lock, Stock and Barrel Triggers History. Closes 3/27. Free. Daily 6 am-10 pm.
Washington Crossing Historic Park/Memorial Building Auditorium 1112 River Rd., Washington Crossing; 215-493-4076. www.ushistory.org/washingtoncrossing. $5; $4 seniors; $2 children 6-17. Tue.-Sat. 9 am-5 pm, Sun. noon-5 pm.
Wharton Esherick Museum 1520 Horseshoe Trl., Malvern; 610-644-5822. Guided Tours of the handcrafted home & studio of the "Dean of American Craftsmen." Mon.-Fri. (groups only) 10 am-4 pm, Sat. 10 am-5 pm; Sun. 1-4 pm.Adventure Aquarium
1 Aquarium Dr., Camden; 866-451-2782. www.adventureaquarium.com
. Stingray Beach Club. The Creature Feature. Penguin Island. West African River Experience. Jules Verne Gallery. Shark Realm. Irazu Falls. 4D Theater. $22.95; $19.95 children 2-12. Seal Shores. Ocean Realm. Caribbean Currents. Touch-a-Shark. Rainforest Rendezvous. Feather Ridge. Aquarium Adventure: Secrets of Africa. $145. Aquarium Adventure: Swim With the Sharks. $165; $150 passport holders. Aquarium Adventure: Seals Up-Close. $145; $130 passport holders. Aquarium Adventure: Positively Penguins. $125; $115 passport holders. Aquarium Adventure: Feeding Fury. $150. Aquarium Adventure: Sea Turtles Up-Close. $125. $17.95; $14.95 children 2-11; free for children under 2. Daily 9:30 am-5 pm.
Atlantic City Aquarium 800 N. New Hampshire Ave., Atlantic City; 609-348-2880. www.atlanticcityaquarium.com/. Tropical Rainforest Exhibit. Shark & Stingray Touch Tank. $7; $5 seniors; $4 children 4-12; free for children under 3. Daily 10 am-5 pm.
Battleship New Jersey Museum 62 Battleship Pl., Camden; 866-877-6262. www.battleshipnewjersey.org. Experience what life was like aboard our nation's most decorated battleship. City at Sea Guided Tour. $19.95; $15 seniors, veterans and children 6-11; free for children under 6 and active military. Fire Power Tour. $19.95; $15 seniors, veterans and children 6-11; free for children under 6 and active military. 4D Flight Simulator Ride. Tour admission. General Quarters Tour. $18.50; $14 seniors, veterans and children 6-11; free for active military and children under 6. $15-$19; $10.50-$13 veterans, seniors, ages 6-11; free active military in uniform, ages 5 & under. .
Camden County Historical Society 1900 Park Blvd., Camden; 856-964-3333. www.cchsnj.com. Features exhibits on Camden County history, from the Lenni Lenape people through the industrial age. Pomona Hall - 18th-century mansion once home to the Cooper Family. Tours available. The People's Mayor. Tours of the Camden County Historical Museum. $5-$8; $4-$6 seniors and students. $5; $4 students & seniors. Sun. noon-5 pm; Wed.-Fri. 12:30-4:30 pm.
Howell Living History Farm 70 Wooden's La., Titusville; 609-737-3299. www.howellfarm.org. 130-acre farm is an educational facility, open to the public, that preserves & interprets farming life & processes from the era of 1890-1910. Free. Tue.-Sat. 10 am-4 pm; Sun. noon-4 pm.
South Jersey Museum of American History 123 High St. E., Glassboro; 856-442-0688. Includes artifacts from the Pre-Columbian through the Colonial era, antique hand tools, glass & comprehensive Political History exhibit. Carly Chameleon: Art Exhibition. $4; $3 children. Thu.-Sun. 1-5 pm.
Washington Crossing State Park 355 Washington Crossing-Pennington Rd., Titusville; 609-737-0623. www.state.nj.us/dep/parksandforests/parks/washcros.html. Includes 18th Century Johnson Ferry House (historic farmhouse & tavern site) & Visitor Center Museum featuring exhibits on the Continental Army's crossing of the Delaware River & the Battles of Trenton & Princeton. Wed.-Sat. 10 am-4 pm, Sun. 1-4 pm.Delaware Agricultural Museum & Village
866 N. DuPont Hwy., Dover; 302-734-1618. www.agriculturalmuseum.org
. Marie Petty Doll Collection. $5; $3 seniors & students; free for members & children under 6.
Delaware Museum of Natural History 4840 Kennett Pike, Greenville; 302-658-9111. www.delmnh.org. Tarantulas: Alive & Up-Close. Life-Size Model of a Giant Squid. Coral Reef Exhibit. Nano Day. 3/26. 9:30-4:30 pm. $7; $6 seniors 60 and over; $5 children 3-17; free for children 2 and under. Mon.-Sat. 9:30 am-4:30 pm; Sun. noon-4:30 pm.
Hagley Museum & Library 298 Buck Rd. East, Greenville; 302-658-2400. www.hagley.org. Wedding Traditions of the du Pont Family, 1813-1915. Film Showcase. Easy Does It! How Machines Make Life Easier. $11; $9 seniors, students; $4 ages 6-14; free under 6. Daily 9:30 am-4:30 pm.
Museum of Small Town Life 316 South Governors Ave., Dover; 302-739-4266. Donations accepted. Mon.-Sat. 9 am-4:30 pm; Sun. 1:30 pm-4:30 pm.
Rockwood Museum 610 Shipley Rd., Wilmington; 302-761-4340. www.rockwood.org. Guided Tours. $5; $2 children 2-12; free for children under 2. Wed.-Sun. 10 am-3 pm.
Winterthur Museum, Garden & Library Rte. 52, Winterthur; 800-448-3883. www.winterthur.org. In Wood. Textiles & Needlework. Painting & Prints. Metalworks. Ceramics & Glass. Dominy Shops. Made for the Trade: Native American Objects in the Winterthur Collection. $18; $16 seniors and students; $5 children 2-11; free for children under 2. Tue.-Sun. 10 am-5 pm.