This giant temperature attraction created some giant electric bills.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

Water of undetermined depth has attracted rare fish and cult leaders alike.

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.

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

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

Improbably, the largest wildlife refuge in the conterminous 48 states sits just northwest of Las Vegas, Nevada.

A spring and an enigmatic cabin lie in a ponderosa pine forest in the heart of the Desert National Wildlife Refuge.

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

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

The world's longest known cave system.

Two gushing waterfalls of hot spring water within a block of each other.

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

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

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

This ancient village provides insight into the complexity of the pre-Columbian Fremont Culture.

This hidden, women-built-and-operated Nevada temple on Shoshone Native American land is dedicated to the Egyptian lion goddess Sekhmet among other goddesses.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

At the base of the Spring Mountains, a unique nursery packed with desert plants.

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The notorious Wild West outlaw was raised in this unassuming abode.