A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

Native Americans built this circle of stones, which was used to predict astronomical events.

Ancient human, animal, and geometric figures drawn in the earth.

America's oldest archaeological site or a muddled case of wishful thinking.

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

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

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Miraculous tree that seems to sprout out of solid rock.

10,000 flowered plants bloom in the City of Roses.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

After the parade, students throw their beads on the tree hoping for good luck on exams.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Take a monster truck tour around an ostrich farm in the middle of the desert.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

A natural history wunderkammer in the middle of the desert.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

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

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.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.