Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A giant Troll lurks under one of Seattle's oldest bridges.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Leave a button on the jacket of this iconic Seattle clown.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

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

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

Four-story concrete hotel never opened to customers.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

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

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

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

The world’s largest concentrated solar plant generates as many problems as megawatts.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This striking art museum holds an amazing series of curiosity cabinets.

Statue dedicated to the star of an old television show.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.