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

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

The site of one of Japan's very few American occupations during World War II still holds the relics of a roundly disastrous campaign.

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

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.

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

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

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

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

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

An abandoned aircraft sits submerged in a lake in the Alaska wilderness.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

The ruins of this Alaska gold mine form a gorgeous ghost town.

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

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

A cemetery full of exquisite statuary, including a monument to a woman some say died of a broken heart.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

The famous aviator's final resting place is a study in natural beauty.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

A former taxidermist has turned his old shop into a folk art mecca.

Tucked away atop a quaint Alabama pharmacy is this tiny display of antique medical tools.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.