A rare kind of blue bear can be found chiefly in the national park that shares their name.

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.

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

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

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

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

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

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

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

Four-story concrete hotel never opened to customers.

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

Gorgeous cave resemble a winter wonderland.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

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

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

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.