This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A multi-storied adobe complex has been inhabited for more than a thousand years.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Colorado's only true geyser is hidden within the San Juan National Forest.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Rippling sand dunes frozen in the Arizona rock.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

At this research institute, the chile is king.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The world's first commercial spaceport is a disappointment of cosmic proportions.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Stairs often replace streets on the steep slopes of this old mining town.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Limestone caves with spectacular showcase chambers.

See massive fossils that are over 200 million years old in northeastern Arizona.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

A motel dedicated to Southwestern nostalgia.