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

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

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

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

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The only thing still moving in this town is the eponymous hot spring.

Mysterious meeting place for UFO hunters near Area 51.

This sign designates the road that leads to the infamous Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Come for the speed, leave in love with the desert.

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

A natural dome made of volcanic glass in Inyo National Forest.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Everything you always wanted to know about borates is here.

See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

The final resting place of one of Hollywood’s most prolific and talented actors is on the grounds of a California Mission.