A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

Ancient pueblos built into the base of a natural canyon wall.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The highest point in Texas is capped by a big silver pyramid.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

This massive statue of John Muir on the side of a California highway was carved from a redwood tree.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A unique geological area spiked with wind-carved rocks that resemble teepees.

A museum devoted entirely to the rattlesnakes and snake-related art.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

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

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

"I did this all while you were watching TV."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."