This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

One of the oldest of its kind.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

An Irish Memorial commemorating those who perished due to potato blight.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

A layered tribute to the work of mosaicist Isaiah Zagar.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

This elaborate towering structure was once famed for its revolutionary height.