A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

A popular rock that acted as a waymarker for American pioneers.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

Home to the deepest rift anywhere on Earth.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

A house carved into a rock in the 1940s.

Eight feet in diameter and more than 24 feet around.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

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

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

Rippling sand dunes frozen in the Arizona rock.

A rare view of a preserved Victorian science museum.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.