A volcanic fissure over two miles long and up to 70 feet deep.

Water of undetermined depth has attracted rare fish and cult leaders alike.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The wild west is still alive and well at this authentic mining town watering hole.

The smallest country in the world.

An eatery for UFO seekers on the Extraterrestrial Highway.

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

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

Former farm staffed by mental patients is now a public park.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

A replica that won't float away.

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

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

The best Tiki bar in Las Vegas.

What is the Thing?

The remains of a former logging boom town, crumbled away in the forest.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Limestone caves with spectacular showcase chambers.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

There's nothing creepier than a cemetery next to a clown motel.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.