More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

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

These free-roaming horses were once destined to disappear from the land.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

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

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Don't blink or you'll miss it.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The world's largest military aircraft cemetery.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Limestone caves with spectacular showcase chambers.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

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

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.

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

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

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.