An artificial crater field that trained astronauts for lunar exploration.

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

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

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

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

This historic national park is covered in the stunning ruins of red rock pueblos.

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

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

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A hotel with a rich Wild West history of miners and bootleggers.

A series of sculptures depict the actors who starred in the many cowboy movies shot in this Mexican city.

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.