An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Hundreds of protractors affixed to surfaces all over the city.

For decades, it has disappeared and reappeared as water levels rise and fall.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

An ideal wedding spot that is almost too ideal.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

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

The last street in Pittsburgh that's paved with wood.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

America's first serial killer rests in anonymity.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A beautiful oddities shop crammed with strange and morbid curiosities.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

World's first "penitentiary," meant to be humane, drove men insane.