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

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.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

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

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

Siberian husky that delivered a life-saving antitoxin.

Four-story concrete hotel never opened to customers.

The northernmost international land border crossing in the United States.

A giant poultry statue immortalizes one of Alaska's more humorous town names.

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

This super-sized statue is the only public memorial to the deal that ended America's neutrality during World War II.

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

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

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

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

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

The northernmost truck stop in the United States.

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

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

This reserve is the only place in the world where you can see the Barasingha swamp deer in the wild.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

This historic square in Nepal is home to temples dating back to the third century.