Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

Send a postcard while vacationing with Satan.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Home to Hollywood history and a very special salt crystal.

Semi-recognized center of the world, with many oddities.

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

A museum dedicated to the alleged Roswell Incident.

Take a monster truck tour around an ostrich farm in the middle of the desert.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A spiritual vortex among the red rocks in Sedona.

America's only nuclear missile silo open to the public.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A reproduction of earth's many biomes.

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

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

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

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.