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

This ancient structure is widely thought to be the oldest intact pyramid in the world.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

The oldest teak bridge in the world is made from the remains of a royal palace.

The second largest reclining Buddha in the world got "lost" for over 120 years.

The world's largest reclining Buddha, the Giant Buddha of Mudon.

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Largest lake in Great Britain measured by surface area.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

This extravagant villa built by a Burmese merchant is part pagoda and part European mansion.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

Hamburgers are intensely proud of their tunnel beneath the river.

Wax models of disease and deformity are on display at this German medical museum.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.