What is the Thing?

Home of the International Space Hall of Fame.

Legend says train robbers stashed their gold within the depths of this unusual cave.

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

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

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

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.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water