Rare and gorgeous birds abound in this protected wildlife sanctuary.

The largest outdoor art gallery in the Northwest United States.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Jail from the 19th century that was built by inmates.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Home to the deepest rift anywhere on Earth.

Considered by many to be one of the most dangerous highways in Alaska.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

Permanent exhibit reminds visitors of the Exxon Valdez.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

Siberian husky that delivered a life-saving antitoxin.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

A historic freight system that found the true gold rush is in tourism.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

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

Four-story concrete hotel never opened to customers.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

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

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