This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

An off-grid art installation that encourages its visitors to imagine a world without waste.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

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.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

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

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

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

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

The lost ruins of the forgotten ferry lie hidden beneath the silt.

This Old West prison built into the side of a cliff was said to be inescapable.

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

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

The fading, forgotten remains of a once bright and booming factory.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.