A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

The first steel dam in the world and the only one still functional in the United States.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

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

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

A replica of the flagpole that gave a frontier town its name.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

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

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

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

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

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This memorial includes fragments from one of the greatest tragedies in United States history.

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

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

A motel dedicated to Southwestern nostalgia.