One man's ambition created this psychedelic log home.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

The world's largest concentrated solar power plant.

God's Saharan sandbox of wrath.

Within the Dadès Gorge, amazing vistas and towering cliff faces can be seen at each new curve and bend in the road.

The other side is actually green.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

The oldest known university in the world is in Fez, Morocco.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.