The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

Stairs often replace streets on the steep slopes of this old mining town.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

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

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

A museum and tribute to a brave profession.

A cabinet of curious mathematical models and old calculators.

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

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

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

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The unusual burial monument of Arizona's first governor.

This bomb shelter-themed bar has barely changed since it opened.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

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

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The first permanent memorial to a unique secret weapon of World War II.

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

A geological mystery on Camelback Mountain.