This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

An accidentally hidden library containing the ephemeral history of New York.

The gravestones in this historic cemetery are carved with mysterious faces.

This small stone chapel is a hidden gem just outside the University of New Hampshire campus.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

Ruins of a historic medical facility sits eerily by the water.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

An abandoned Depression-era zoo hidden just off the highway.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

The graves of a Connecticut family thought to have been plagued by a vampire.

Home of Philip Johnson, one of the 20th century's most influential architects.