A spiritual vortex among the red rocks in Sedona.

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

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

See massive fossils that are over 200 million years old in northeastern Arizona.

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

A sharp bend in a dramatic river canyon cut through red rocks.

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

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

Rippling sand dunes frozen in the Arizona rock.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The ghostly remains of an accidental sea.

Quite simply the largest tree in the world (by volume).

A hand-built folk art installation covered with messages of God's love.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

World-famous, Pink's still manages to keep its prized cult fetish status.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.