This elaborate temple was built around one of the Buddha's teeth.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Seat of the Duke and Duchess of Devonshire for centuries.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

An extravagant monument to an extravagantly unpopular Emperor.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

A white Buddhist temple with a golden restroom.

The anatomical-pathological collection of a man who changed surgery.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Five miles of underground river link lake to ocean.

It is against the law to obstruct the view from the top of this English burial mound.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

The sign at the garden gate reads: “These Plants Can Kill.”

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.