A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Ancient pueblos built into the base of a natural canyon wall.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum and shop on Bourbon Street located in the French Quarter.

Most-visited and most-photographed slot canyon in the American Southwest.

Limestone caves with spectacular showcase chambers.

The magical, mossy forest that inspired 'Princess Mononoke.'

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A sharp bend in a dramatic river canyon cut through red rocks.

A Wild West jailhouse that slid down the mountainside.

A motel dedicated to Southwestern nostalgia.

This 600-year-old home seems to defy physics.

The wild west is still alive and well at this authentic mining town watering hole.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Stairs often replace streets on the steep slopes of this old mining town.

One of England's most famous churches hides a pair of little known architectural treasures.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The last bastion of Roman presence north of the Alps looms over a German town.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Towering basalt columns, a creation of fire and ice.