Only known mainland rookery of the threatened Stellar sea lion.

Race through the maze, get your name on the sign.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A massive museum preserving the United States culture and the home of Abraham Lincoln's sleigh.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

The site of the climactic scene from the classic horror film is now a historic landmark.

When ecosystems collide in the arid Southwest.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

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

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Rippling sand dunes frozen in the Arizona rock.

This Moab institution functions as both a rock store and a small natural history museum.

A house carved into a rock in the 1940s.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

This balancing rock is one of Utah's most unusual geological formations.