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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The atmospheric road was never meant to be so creepy.

The most visited, and possibly most controversial, museum in Germany.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

360° views of the city plus five floors of optical illusions and hands-on science.

Rising from the sea like a stone monster.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Staves, storm-calling, and of course, necropants.

A slice of central Asia in the middle of Berlin.

A submerged archeological park still holds the wonders of a Roman Sodom.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Famously misunderstood wonder of the ancient world

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Paris' linguistic guide to the international language of, yes, love.

A 30-acre garden inspired by the principles of modern physics.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The world's largest collection of witchcraft regalia.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Banksy gives themself artistic license with this piece of London street art.

Two stunning 17th-century libraries and a cabinet of curiosities.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.