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

Internationally recognized group that works to protect the wolf and educate the public about its plight.

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

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

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

Colorful boxes placed over the dead are left to rot and crumble.

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

Four-story concrete hotel never opened to customers.

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

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A massive tribute to this small county's top agricultural product.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

Follow the steps, and this roadside artwork will teach you how to dance.

This beloved American snack was conceived by a hungry coal miner.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Vintage steam trains that still run through a pre-Civil War tunnel

A bizarre roadside attraction and the first instance of miniature golf in the world.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

A historic gristmill that still produces flour and grits the old-fashioned way.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.