The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

Four-story concrete hotel never opened to customers.

A trading post in the North Pole where children send letters.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

This Alaskan town appoints the general store's resident feline as honorary mayor.

Admire an ever-changing landscape of stone sculptures.

The restored and active Victorian-era final resting place of San Francisco.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A pub that is literally in the middle of nowhere, but continues to do business.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

The first declared National Monument in the United States.

One of the oldest art supply stores in the United States.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

Inside this art museum resides one of Glasgow's most famous musical instruments.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The most loyal of little dogs, or a Victorian era publicity stunt?

A book bound in the skin of an infamous criminal, along with countless other specimens.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.