A Wild West jailhouse that slid down the mountainside.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

A natural history wunderkammer in the middle of the desert.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

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

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

An artificial crater field that trained astronauts for lunar exploration.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

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

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

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

Collection of vintage trailers double as hotel rooms.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

What is the Thing?

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

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

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

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.

A reproduction of earth's many biomes.

A self-built castle made by a mysterious man.

Rippling sand dunes frozen in the Arizona rock.