Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

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

This famous bridge twisted itself into oblivion, but not for the reason you might think.

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

Shoreline strewn with the remains of ghostly fallen trees.

Stroll through a wonderland of stupendous moss-covered trees.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

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

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An alley covered with 20 years of bubble gum.

Thousands of turbines whir at at the origin of North American wind power.

A remote crossroads honoring a fallen talent.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Quite simply the largest tree in the world (by volume).

Four hundred granite steps were built into this massive rock by the National Park Service.