There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A historic neighborhood church is reborn as a psychedelic arts collective.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

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

The first permanent memorial to a unique secret weapon of World War II.

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

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

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

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

A geological mystery on Camelback Mountain.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Rippling sand dunes frozen in the Arizona rock.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

At this research institute, the chile is king.

The winter home of thousands of beautiful snow geese and sandhill cranes.

More than 21,000 images fill this overlooked gem of a prehistoric site.