A spiritual vortex among the red rocks in Sedona.

America's only nuclear missile silo open to the public.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

An homage to everyone's favorite prehistoric cartoon family.

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

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

The last SR-71 ever constructed.

An empty mine that some believe will suddenly be filled with fortune and treasures at the end of the world.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

Step into the cool deep past and unknown future of who begat who.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Jurassic Park—A Still Life.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A Mars simulation in the southern Utah desert.

A tunnel with windows, so you don't miss out on the impressive views.