Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

This geothermal hot spring hides beneath a slowly growing mineral dome.

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

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The drama of nature in full effect in this Nevada State Park.

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

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

An eatery for UFO seekers on the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

A Mars simulation in the southern Utah desert.

Many believe these images represent interstellar lifeforms.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

Rippling sand dunes frozen in the Arizona rock.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Not your typical pet cemetery.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."