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

An outlandish shoe shaped house built by an eccentric millionaire.

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

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

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.

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

The Home and murder site of the witch of Rehmeyers Hollow.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

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

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

In which a local geological marvel becomes a quaint roadside attraction.

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

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A layered tribute to the work of mosaicist Isaiah Zagar.

A toxic ghost town sitting atop a massive coal fire.

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