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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

This collection of neon icons is preserving Arizona's history, one sign at a time.

This golf ball–shaped former desert real estate office now houses a UFO museum.

Collection of vintage trailers double as hotel rooms.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

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

A reproduction of earth's many biomes.

Rippling sand dunes frozen in the Arizona rock.

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

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

Holding the most bodies of any cemetery in the United States.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

The ghostly remains of what was once the world's richest copper mine.

This whimsical stacked cabin looks like something out of a children's book.

Moss and stone turn this waterfall into an otherworldly liquid veil.

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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.