This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

Connecticut's shot tower is near the end of its life.

Formerly Fire Station No. 27, the museum is a hidden gem in the heart of Hollywood.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

This abandoned amusement park was built on a site with a dark history.

This charmingly homemade amusement park has been growing for 40 years.

The graphite created here was used in the manufacturing of pencils.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

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

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

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

More than a century of radio history is told in these displays.

This sculpture commemorates the first instance of an American president pardoning a turkey.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

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

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

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

Historic seaside park featuring explorable, abandoned military structures.

The world's largest collection of historic U.S. military naval vessels.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

Underground tunnels remain beneath this abandoned mental asylum.

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

An abandoned 146-acre summer resort slowly being reclaimed by nature.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.