Odd outsider art installations surround a Gold Rush-era ghost town.

Experience a charming 1930's version of "infotainment."

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

A fine, large-aperture telescope available for public use.

A beautiful geyser under environmental threat.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

A multi-storied adobe complex has been inhabited for more than a thousand years.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Crumbling remnants of what was once a booming town full of silver.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

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

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

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

This massive redwood tree has a hole in the base big enough to drive through.

Limestone caves with spectacular showcase chambers.

A trash dump made beautiful by nature's power.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.