Nature's biggest mammal swims in landlocked Oklahoma.

An acoustic anomaly with a mysterious cause.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

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

The world's only museum devoted solely to the art and collection of action figures.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

Eat burgers beneath gargantuan taxidermy and thousands of dollar bills in Utah's oldest continuously-operating bar.

The extensive collection of an amateur naturalist.

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

Come for the speed, leave in love with the desert.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

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

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

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

This collection of neon icons is preserving Arizona's history, one sign at a time.