Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A museum devoted entirely to the rattlesnakes and snake-related art.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

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

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

A motel dedicated to Southwestern nostalgia.

A mysterious spirit totem at the edge of Navajo lands.

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

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

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

An artificial crater field that trained astronauts for lunar exploration.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.