Don't blink or you'll miss it.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

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

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

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

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

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

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

America's only nuclear missile silo open to the public.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The Magical World of George Phar Legler.

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

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A stealthy Apache hideaway that became the haunting site of a mass grave.

An homage to everyone's favorite prehistoric cartoon family.

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

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A reproduction of earth's many biomes.

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

A self-built castle made by a mysterious man.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.