Water of undetermined depth has attracted rare fish and cult leaders alike.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This historic national park is covered in the stunning ruins of red rock pueblos.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A motel dedicated to Southwestern nostalgia.

This sanguine boulevard was named after a deadly cowboy bar fight.

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

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

A warm desert spring holds one of the rarest species on earth.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The world's first commercial spaceport is a disappointment of cosmic proportions.

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

This is one really big nut.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

A wacky, UFO-shaped house in a suburban neighborhood.

A mythical chimera first sculpted in 1936 as a mix of the main animals of Texas livestock.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.