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

The first of the iconic American roadside attractions lives on as a college mascot.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

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.

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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