A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

A posh members-only club with a literally dramatic history.

A Manhattan office building is home to the world's largest chess board.

In the early 1800s, surgery was also a show.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

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

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

Become a prohibition rebel.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This Art Deco airport was once deemed “the air hub of the Americas.”

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

Former villa and estate of James Deering developed to preserve native tropical forests.

This beautiful Miami garden was designed as a laboratory for tropical plants.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This strange, small castle on the bayou has withstood the test of time and weather.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.