The highest point in Washington state is a volcano covered in glaciers.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The drama of nature in full effect in this Nevada State Park.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Dramatic river bend surrounds a natural red-rocked pedestal.

These markers are used to document elevation changes around the famed dam.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

These markers are used to determine the ground stability of the Strip.

"Only the devil could play golf here."

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

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

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

A 60-room castle constructed by a horse-racing heir.

The world's largest collection of historic U.S. military naval vessels.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

The massive machine creates cracking displays of indoor lightning.

The site of Paul Revere's historic two lantern warning.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.