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

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

The sprawling attraction boasts a collection of more than 150 historic wagons.

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

One of the largest private collections of cars manufactured by the short-lived Franklin Automobile Company.

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

The lost ruins of the forgotten ferry lie hidden beneath the silt.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

A museum and tribute to a brave profession.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

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

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

This curiosity shop contains a museum filled with bizarre, unique objects.

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

The eroded core of an ancient volcano is now accessible by a short hike.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

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

Make a wish at what might be America's only Catholic shrine to a sinner.

A natural history wunderkammer in the middle of the desert.

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

Dramatic river bend surrounds a natural red-rocked pedestal.