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

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

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The final resting place of the Hollywood star who came to a tragic end.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

The graffitied ruins stand hidden within the Pennsylvania woods.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

There aren't too many operational funiculars around, but Pittsburgh has two!

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

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

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A rare view of a preserved Victorian science museum.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.