A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

"Looks so real, it's scary!"

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

Walk through the sets of old western films at this small museum in Utah.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

A sharp bend in a dramatic river canyon cut through red rocks.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

A unique cartoon-filled roadside attraction.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

A World War II officers' club features Old West murals painted by German POWs.

This old abandoned sign flickers to announce a motel that isn't even there.

A prison-like structure guards the remains of a notorious Old West outlaw.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The house's confection-like decorations are the result of one man's painstaking work over decades.

Belly up to the bar in Cowtown, don't forget to buy some boots.

The last Americana on Route 66.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

An errant donkey ushered in a new era of mining in Nevada.

A land of debatable treasure.