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

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

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

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

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

The unusual burial monument of Arizona's first governor.