Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

Learn about the last river many crossed to find freedom from slavery in the United States.

Quite possibly the last cross all humans will ever see.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A peaceful international sculpture garden in upstate New York.

A once grand hotel is being retaken by the wilderness it once capitalized on.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

The largest known open fault in the United States is basically a giant natural refrigerator.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Why have you never heard of the second most popular tourist site in New York?

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

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

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A toxic ghost town sitting atop a massive coal fire.

This Catskills museum preserves stumps from the earliest known fossil forest on Earth.

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

This once luxurious Catskills resort is now a haunting ruin.

Oldest existing wire suspension bridge in the United States.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.