A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This secluded walking trail is a hidden gem of a Pittsburgh park.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

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

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

An outlandish shoe shaped house built by an eccentric millionaire.

It would take 35 firetrucks to fill this enormous glacial pothole.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The abandoned coal loading dock is a canvas for unsanctioned art.

These disused steel furnaces are now haunting ruins that may one day be a national park.

America's first serial killer rests in anonymity.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The ruined remains of a coal mining ghost town are hidden within the woods.

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

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

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

Yo, Adrian!

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

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

A failed piece of Orientalism has become the proud symbol of a community.