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

An architect's childhood fantasy treehouse made real.

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

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

This mostly abandoned shopping outlet is now adorned with beautiful graffiti and murals.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

A land of debatable treasure.

The contents of this safe survived a 37-kiloton nuclear bomb.

The most magnificent bottle house in a town strangely full of them.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Experience a charming 1930s version of "infotainment."

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The smallest country in the world.

An exotic wildlife habitat right off The Strip.

There's nothing creepier than a cemetery next to a clown motel.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.