An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

Legend says train robbers stashed their gold within the depths of this unusual cave.

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

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

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

Rippling sand dunes frozen in the Arizona rock.

An off-the-beaten path cave with an underground lake.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

This ancient trail has claimed the lives of over 2,000 people.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

A former department store turned into a quirky restaurant.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

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

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

This small, unassuming street is now a canvas for color and creativity.

This Old West prison built into the side of a cliff was said to be inescapable.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

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

A Wild West jailhouse that slid down the mountainside.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.