A hulking remnant of Alaska's industrial gold mining boom in the 1920s.

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.

Open day and night, a church with three pews and Bibles.

Known as the “Official Greeter of Juneau,” this dog still welcomes ships and their passengers to Alaska.

The sculpture's largest spire points directly toward the North Star.

Often mistaken for an office building, inside this venue is an amazing collection of Native Alaskan art.

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

The ruins of a town wiped out by the second-largest earthquake in recorded history.

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

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.

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

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

This sculpture garden in Death Valley makes you feel like you've slipped into some alternate reality.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

Only intact Ichthyosaur skeleton in the United States and an abandoned gold mine and ghost town all in one place!

Singing sand that stands as the final remains of an ancient lake.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

This ancient village provides insight into the complexity of the pre-Columbian Fremont Culture.

A tunnel with windows, so you don't miss out on the impressive views.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."