A Tucson museum and performance space full of found-object movable sculptures.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

Ancient pueblos built into the base of a natural canyon wall.

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

A geological mystery on Camelback Mountain.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

Once a year, at exactly 11:11 a.m., this monument comes to life.

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

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

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

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

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

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

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

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

An artificial crater field that trained astronauts for lunar exploration.

An homage to everyone's favorite prehistoric cartoon family.

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

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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