This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

This 39-foot-tall version of a Hopi figure stands in Arizona.

A spiritual vortex among the red rocks in Sedona.

The first of the iconic American roadside attractions lives on as a college mascot.

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

The unusual burial monument of Arizona's first governor.

A museum and tribute to a brave profession.

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

A modernist landscape of water and sci-fi concrete.

The capitol city's oldest existing cemetery.

The only thing these street signs will help you navigate is your imagination.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A place to eat for on-the-run agents and espionage enthusiasts.

When in Idaho, sleep in a giant potato.

At the site of the most dangerous crossings on the Oregon Trail, a museum explores the complex history of westward migration in America.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

A monument to the King's final show, complete with a time capsule.