See massive fossils that are over 200 million years old in northeastern Arizona.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

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

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Rippling sand dunes frozen in the Arizona rock.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Next to Salt Lake City's Assembly Hall stands a tribute to some unlikely heroes of early Mormon settlers.

This former wildlife sanctuary is being transformed into an art park.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

Visitors to this library are in for a real-world education in modernist architecture.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

This mural changes every few years.