The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

A busy cafe better known for board games than food.

One of the only cooperatively owned bars in the nation wears its eclectic history on its walls.

This Seattle joint serves food inside an old train car once used by FDR.

This medieval village/restaurant perpetually celebrates the year 1376.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

This former coal gasification plant found a curious second life as a popular public park.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

A whimsical village of unique treehouses resides in a Washington forest.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

An extraordinary mixture of natural beauty and man-made phenomena.

A wall of chewing gum moonlights as collective art.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

Couple's personal collection of pinball machines turned public pinball museum.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.