Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

Rippling sand dunes frozen in the Arizona rock.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

The location where the iconic movie character declared it was time to go home.

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

Explore a misty river canyon from a metal bridge system.

A stone pillar commemorates the surrender of the extraordinary Apache leader.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

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

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.

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

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

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

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

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

An artificial crater field that trained astronauts for lunar exploration.

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

A replica of the flagpole that gave a frontier town its name.