An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

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

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

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

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

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

In 1912, this idyllic Alaska landscape was blown apart in the largest volcanic eruption of the 20th century.

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

When the big city meets the edge of the frontier, log skyscrapers are born.

This decommissioned DC-3 now forever points into the oncoming wind.

The resilient spirit of this remote mining town burns bright in its eclectic memorabilia.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

Gorgeous cave resemble a winter wonderland.

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

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

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

A sarcastic monument threatens to curse any "idiot" who dares remove it.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

Once home to a thriving oil industry, this town now sits eerily abandoned.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.