A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

A town trapped in time - 1958 to be exact.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

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

A formerly abandoned mental institute, now back in business.

A fictional town that was briefly brought to life before fading once again out of existence.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

This 17th-century house was once the trading hub for two prominent Canadian fur barons.

This crumbling industrial fortress has attracted daredevils, filmmakers, and historians.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

The city is full of whimsical portals to another world.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A monument marks where a convent was burned by an anti-Catholic mob in 1834.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

Where America's first doomsday cult awaited the end of the world.

An architectural marvel built by a nearly forgotten Canadian Quaker sect, the Children of Peace.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

The ruins of the "20-year town" lay out among the mountains of Alberta.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The falls were named for the mistaken idea that they were the ones pictured on the Canadian $5 bill.