The only undammed section of the Columbia River in the United States has been preserved, ironically, by its proximity to the Hanford Nuclear Reservation.

Boats and fish both find their way through this massive hydroelectric structure.

One of the northernmost occurrences of western juniper can be found in the sand dunes of Washington's Palouse.

At a rest stop north of Seattle, the trunk of an ancient tree.

The boulder is a landmark, public art, and an icon.

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.

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

This Seattle store is packed with all sorts of curious creatures and creations.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Community bookshelf of 25-foot-tall book spines.

This abandoned prison castle has become an imposing gallery of graffiti art.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

The second tallest railway trestle bridge in America.

A short hike into the mountainside forest reveals a decaying 1890s town.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This statue honors Marvin Klegman, a heroic child who died while saving another boy's life in a 1949 earthquake, and shares his long untold story.

The oldest remaining building in Tacoma was once the home of the "oldest bell tower" in America.

This Old Town cabin tells the story of Tacoma's settlement through a replica of its first non-Native building.

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

An eclectic collection of wind-powered sculptures made from found and recycled materials.