This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Fighting the British and making game shows for over 150 years.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Single runway interrupted by a busy road that cuts across its middle.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

The ghost town that ended up on Ebay.

A giant donut stands as a popular symbol of Los Angeles iconography.

The site of a classic series of Laurel and Hardy pratfalls.

Thousands of turbines whir at the origin of North American wind power.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A remote crossroads honoring a fallen talent.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

This chimerical bridge/tunnel appears to dead end right into the sea.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.