A quiet and contemplative oasis in the middle of New York's bustle and riot.

A partially hidden wall graffitied by spectators of the 1976 Bicentennial, recently rediscovered.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

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

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

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The great American road trip, but smaller.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

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

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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

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

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

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