This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Most-visited and most-photographed slot canyon in the American Southwest.

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

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

A tribute to the statues of Easter Island along Route 66.

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

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

This remote desert watering hole has a connection to a curious chapter of American history.

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

A museum and tribute to a brave profession.

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

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

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

A former department store turned into a quirky restaurant.

This comprehensive collection features Native American artifacts dating back centuries.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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