Saturday
Start your engines
Classic cars once driven for 24 Hours of Le Mans will be displayed Saturday at the Simeone Foundation Automotive Museum, 6825-31 Norwitch Dr. The race, first held in 1923, is one of the world's best-known endurance racing competitions. Among the cars will be a 1933 Alfa Romeo that once led the race, a 1934 MG K3 Magnette that finished fourth, and a 1936 Aston Martin Le Mans, built specifically for the race. You can see the cars being driven on a three-acre lot at the museum and attend a brief lecture on their historical significance. The demonstration begins at noon, with a free museum tour at 2 p.m. Tickets: $12, $10 for seniors, $8 for students, free 8 and younger. Group discounts are available. Information: 215-365-7233 or simeonefoundation.org.Saturday-Sunday
A Lenape powwow
Langhorne's Churchville Nature Center will host reenactments of a Lenape powwow on Saturday and Sunday at Core Creek Park, 901 E. Bridgetown Pike, Langhorne. Learn about Lenape cooking, games, family life, and fire making, and participate in specialty dance, trilling, and hand drum contests. The event runs from 10 a.m. to 8 p.m. Saturday and 10 a.m. to 6 p.m. Sunday. Admission is $6, $4 for students and seniors, $3 for children 5 to 12 and free for ages 4 and younger. Scouts in uniform will be admitted free (one scout per paying adult). Parking is free. Information: 215-357-4005 or churchvillenaturecenter.org.Saturday
Tall tales
First Person Arts will host its Summer Grand Slam and Barbecue at 5 p.m. Saturday at the Painted Bride Art Center, 230 Vine St. The event will feature the winners of First Person Arts' monthly themed StorySlams, in which participants tell personal stories and compete for points on content and presentation. Winners from January to May will compete at the Grand Slam; the overall winner will win the title of Best Storyteller in Philadelphia as well as lifetime free admission to StorySlams. The barbecue offers foods from Sweet Lucy's Smokehouse and Herr's and drinks from Narragansett Lager and ROOT. Brooklyn-based rockers Peculiar Gentlemen will play. The slam begins at 8 p.m. Tickets to the slam only are $12 for members and $15 for others; admission to both events is $24 for members and $30 for others. Information: 267-402-2055 or firstpersonarts.org.Saturday
Ghosts in the graveyard
Is Laurel Hill Cemetery haunted? Find out at "The Ghosts Among Our Graves: A Paranormal Investigation of Laurel Hill" at 7 p.m. Saturday at the cemetery, 3822 Ridge Ave. Free Spirit Paranormal Investigations (FSPI) will host a workshop to discuss the investigation and introduce those present to the basics of ghost hunting. Participants also can accompany FSPI on group investigations of the cemetery's more active sections. There will be a wine and cheese reception in the Laurel Hill Cemetery Gatehouse. Tickets are $30, $27 for members, $25 for seniors and students; children under 12 admitted free. Information: 215-228-8200 or www.forever-care.com.Sunday
Antiques, punk-rock style
More than 200 tables selling everything from records and clothes to bicycles and stereo equipment will be on hand Sunday at R5 Productions' Punk Rock Flea Market. Proceeds will support R5 Productions' low-cost, all-ages shows at Philadelphia-area venues like the First Unitarian Church, 2125 Chestnut St. The event will be held from 10 a.m. to 5 p.m. at 461 N. Ninth St. Entry is $3. Information: 267-765-5210 or r5productions.com.