A black cottonwood gets a second life as a home for books.

A few dilapidated structures are all that remain of this deserted former silver mining town.

When in Idaho, sleep in a giant potato.

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.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Natural rock water slides hidden in the remote forests of northern Idaho.

See just what life was like in a 19th-century prospecting town.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

Home to the deepest rift anywhere on Earth.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

The oldest original lighthouse in Alaska that was born out of a tragic shipwreck.

The northernmost truck stop in the United States.

The only house built with a turret, crenellations, and a moat in Palmer, Alaska.

Alaska Natives have lived on this tiny isolated island in the Bering Strait for over 5,000 years.

At 238 feet above the bottom of a gorge this span is known as the biggest thrill on the road to McCarthy.

This junkyard made over as a theme park is the "Most Alaskan place in Alaska."

An auroral research program that superheats the ionosphere.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

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

Research missiles and rainbow auroras at the world's largest land-based rocket range.

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

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

The easternmost town in Alaska can only be accessed from Canada.