This house of worship in the Arctic Circle is shaped like an igloo.

This greenhouse was once a hockey arena.

A mad mystery man who led Canadian mounties on a 150-mile wilderness chase is still buried with his secrets intact.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.

The remote graves mark the mysterious deaths of four 19th century explorers.

The third-largest island in Canada is one of the remotest places on Earth.

A 17th-century church is nestled within the walls of a 15th-century ruin.

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

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

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

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

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

The remains of the first saint from Alaska in the Russian Orthodox Church.

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

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

The king of U.S. high points towers over every other peak on the continent.

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

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

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

This super steep hike ascends 2,000 feet in less than a mile.

Site of the greatest known waterfall that ever existed.

The second tallest railway trestle bridge in America.