This golf ball–shaped former desert real estate office now houses a UFO museum.

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

Miniature art that tells an enormous story.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

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

A spiritual vortex among the red rocks in Sedona.

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

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

The fading, forgotten remains of a once bright and booming factory.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The Magical World of George Phar Legler.

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

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

A reproduction of earth's many biomes.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

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

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

A unique sculpture park that specializes in the huge and bizarre.