The only road through the heart of Glacier National Park.

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

A beautiful geyser under environmental threat.

An entire town preserved as a historic landmark.

Home to the deepest rift anywhere on Earth.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

"I did this all while you were watching TV."

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

Dig for your own trilobites in this goldmine of invertebrates.

A tree bears footwear on the loneliest road in America.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

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

The longest living non-clonal organisms on Earth.

See massive fossils that are over 200 million years old in northeastern Arizona.

A motel dedicated to Southwestern nostalgia.

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

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

The cinder cone volcano with a less than complimentary name.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A Saint Nicholas-themed ghost town in the Mojave desert.

An homage to everyone's favorite prehistoric cartoon family.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Haunting and beautiful trees, doomed to die.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.