An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

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

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

A unique collection of artistic rides

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This hidden gem in Arizona is truly worth the rugged journey.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

More than a century old, this trading post resides in the Navajo Nation.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

The first steel dam in the world and the only one still functional in the United States.

This Native American settlement dates back to the Pueblo II period.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

The remnants of a creative early method of wildfire prevention.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.