Mysterious hillside with a continuously burning natural fire.

A fiery crater has been burning in the Karakum Desert since 1971.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

An antique store houses the last operational diner from the defunct department store chain.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

There's an exclusive Beefeaters pub hidden in the Tower of London.

A fifth-century temple improbably built into the side of a cliff.

A strange house built only at night, with rumored mystic inspiration.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

Long before air conditioning, Persian architects found an ingenious way to cool off.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A bizarre house filled with an astounding array of collections.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This lost city belongs to one of the earliest civilizations in the world.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.