A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

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

Limestone caves with spectacular showcase chambers.

Ancient pueblos built into the base of a natural canyon wall.

A spiritual vortex among the red rocks in Sedona.

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

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

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

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The Magical World of George Phar Legler.

This historic national park is covered in the stunning ruins of red rock pueblos.

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

A stealthy Apache hideaway that became the haunting site of a mass grave.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

An homage to everyone's favorite prehistoric cartoon family.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

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

A reproduction of earth's many biomes.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."