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

An artificial crater field that trained astronauts for lunar exploration.

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

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

The first permanent memorial to a unique secret weapon of World War II.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

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

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

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

A large stone map of Arkansas awaits visitors to its highest point.

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."

A museum dedicated to the alleged Roswell Incident.

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

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

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

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

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.