The ghostly remains of what was once the world's richest copper mine.

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

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

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

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

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

Every summer, the Mendenhall River greenbelt comes alive with an explosion of magenta flowers.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

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

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

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

Gorgeous cave resemble a winter wonderland.

The easternmost town in Alaska can only be accessed from Canada.

Thousand-year-old trees tower within one of the world's only inland temperate rainforests.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

The ruins of the "20-year town" lay out among the mountains of Alberta.

Makers and sellers of the original and finest York Ghosts.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

A national collection of Communist-era musical posters.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

The world’s narrowest house makes for an awkward, four-foot-wide living space.