This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A house carved into a rock in the 1940s.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

"Only the devil could play golf here."

Odd outsider art installations surround a Gold Rush-era ghost town.

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The longest living non-clonal organisms on Earth.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

An eatery for UFO seekers on the Extraterrestrial Highway.