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

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

America's smallest "national forest" has only 33 trees.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

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

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

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

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

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

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

One woman's dream became a train hotel in her backyard.

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

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

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

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

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

Colorful boxes placed over the dead are left to rot and crumble.

An auroral research program that superheats the ionosphere.

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

Four-story concrete hotel never opened to customers.

Gorgeous cave resemble a winter wonderland.

This whimsical stacked cabin looks like something out of a children's book.

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