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

A crumbling hospital from the 1850s on Roosevelt Island.

Inside a state forest, the forgotten remains of a Cold War defensive installation.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A recently abandoned psych ward at the end of Sanatorium Road.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

An abandoned asylum where patients have been forgotten but their possessions remain.

This mouldering abandoned mental hospital was once a center for progressive healing.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

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

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

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

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 picturesque Victorian ghost town was once a thriving mill community.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

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

A castle inspired by medieval architecture is hidden in the woods of Connecticut.