The first steel dam in the world and the only one still functional in the United States.

A self-built castle made by a mysterious man.

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

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

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

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

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

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

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

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

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

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

The Magical World of George Phar Legler.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

A peculiar forest that was handcrafted for government experiments.