Places d6660592 Wants to Go

The king of U.S. high points towers over every other peak on the continent.

The ghostly remains of what was once the world's richest copper mine.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

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

A stealthy Apache hideaway that became the haunting site of a mass grave.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

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.

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

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

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

A self-built castle made by a mysterious man.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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.