The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

This tiny little island has, as the name says, just enough room for its single house.

This once-private estate is now a dreamy, meditative garden that's open to the public.

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

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

Underground vaults of a former brewery beneath Brooklyn's Crown Heights are now used to ripen cheese.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A forsaken wonder in the middle of the East Side neighborhood.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Lie in a hammock where George Washington stood.

Once America's longest-manned military fort, now an abandoned hulk.

The first and only carousel with a lineup entirely of insects.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

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

Unlock the secrets of the conjuring arts.

This abandoned subway station can still be seen on regular commuter trips.

A natural gas leak provides a flickering flame beneath a waterfall.

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

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.