Walking through this narrow gorge will make you feel like you've fallen into a fairytale landscape.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

A corkscrew-shaped barn in Ireland.

A spiral staircase twists to the top of this unusual Czech lookout tower.

The ancient tomb acts as a calendar that keeps perfect time.

This fantastical house shaped like a seashell brings aquatic design to architecture.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

A seemingly simple canyon that was the backdrop to a number of famous movies.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

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

This dry lake bed contains the oldest known petroglyphs in North America.

This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Only two of these trees remain in the natural world, found high in the cloud forest of the island of Mauritius.

This small group of sand dunes manages to pack in a strange rainbow of colors.

At the center of an island in the middle of the Indian Ocean is a deep chasm ringed by tall waterfalls.

On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind.

This stunning limestone waterfall is the highest in Estonia.

Every half hour, the flow of this unusual spring cycles between a rush of water and barely a trickle.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.