The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

On Japan's Tashirojima Island, cats are king.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Check out the underground party scene at the "Burning Man of Brooklyn."

Two thousand artifacts from around the world collected by one woman who loved to travel.

A beautiful Victorian-era cemetery, complete with a miniature village.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

An enormous, inside-out glass globe built in 1935.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Skewer up Kangaroo.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A prohibition era watering hole for the police.

Join in a Seance at the Swedenborgian Church.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

A legendary speakeasy bookstore returns from the brink.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A living archive of urban activism and space reclaimed.

A very classy 1920s-era bar right in Grand Central Station.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.