A quirky collection of outsider art made from automobile parts.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

A field of nothing but boulders which resembles a giant's gravel driveway.

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

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

This public space is speckled with the eerie remnants of a defunct amusement park.

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

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This park contains a number of standing stones meant to heal and inspire.

The graffitied ruins stand hidden within the Pennsylvania woods.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

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

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

A park full of outsider art, created by college students studying outsider art.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

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.