"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

This Gold Rush ghost town was once the subject of a territorial dispute between California and Nevada.

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

Deep vertical fissures like miniature slot canyons cut across the cemented volcanic rock of Black Point above Mono Lake.

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

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

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

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

God's Saharan sandbox of wrath.

Traditional 11th-century outdoor tannery.

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

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

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

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

The other side is actually green.

One of the most spectacular canyons in the world.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Founded as a refugee camp, now a popular tourist spot.