Read a book next to a Midtown waterfall.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

This forlorn park is the result of a failed investment turned tax dodge.

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The remains of what was once the world's steepest passenger funicular.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

Penn State's giant bug collection.

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

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

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

Where America's first doomsday cult awaited the end of the world.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

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

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

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

The graffitied ruins stand hidden within the Pennsylvania woods.