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

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

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

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.

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.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

These free-roaming horses were once destined to disappear from the land.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A former department store turned into a quirky restaurant.

A museum and tribute to a brave profession.

The unusual burial monument of Arizona's first governor.

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

The first permanent memorial to a unique secret weapon of World War II.

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

A towering bronze statue memorializes the founding father of postwar American conservatism.

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