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

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This Old West prison built into the side of a cliff was said to be inescapable.

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

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

A Wild West jailhouse that slid down the mountainside.

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

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

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

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A mysterious spirit totem at the edge of Navajo lands.

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

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

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

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

A Saint Nicholas-themed ghost town in the Mojave desert.

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

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

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

Millions of dollars worth of sculpture decorate this Iowa city center.

A 30-foot man on a penny-farthing bicycle rides along the banks of the Mississippi.