The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

A home base for Judy Chicago, one of America's leading radical feminist artists.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

A multi-storied adobe complex has been inhabited for more than a thousand years.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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."

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Don't blink or you'll miss it.

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

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

A self-built castle made by a mysterious man.

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

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

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

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

Here, visitors can swing with the waves of the Pacific Ocean.

Beautiful Victorian buildings from L.A.'s forgotten architectural past.