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

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

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

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

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

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.

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

Four-story concrete hotel never opened to customers.

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

This overlooked, beautiful convent hides an original Hieronymus Bosch among its many treasures.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

One of the largest underground systems runs under Canada's largest urban center.

This whimsical fountain pays tribute to Toronto's four-legged friends.

This giant squid sculpture sits near the spot where a real-life specimen was captured in the late 19th-century.

A forlorn fishing village on the coast of Labrador, full of shipwrecks and Spanish gold.

A chaotic collection of maritime artifacts, art, and really whatever else happens to be around.

Hundreds of enormous icebergs drift through this waterway every year.

An ancient Viking village in North America that predates Columbus by 500 years.

New fungal and bacterial species call this deadly lake home.

This rocky spread has been squeezed up directly from the bowels of the earth.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

Rusty red sands line the shores of this Canadian Province.