A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

An extravagant western hotel where every floor is the "ground floor."

This century-old roadside attraction is full of bizarre rock formations.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

Nature's biggest mammal swims in landlocked Oklahoma.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

These massive mitts are made of 30 tons of devotional bronze.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

The largest land animal skull ever discovered.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

This museum holds not just a world class collection of firefighting artifacts and gear but even the region's first fire station itself.

A museum honoring Oklahoma military service, where you can look into Hitler's mirror and see a Mickey Mouse gas mask.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.