The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

The oldest apple tree in the Pacific Northwest.

An allegedly haunted mansion with a tragic, tawdry past.

Once a year, thousands of naked cyclists flood the streets of a Seattle neighborhood.

This offbeat trailer park is home to vintage peddlers, local artists, indie makers, and more.

A bust of the first president welcomes visitors to the only town in America called George, Washington.

The century-old remains of an abandoned farm town in eastern Washington.

A giant roadside black bird marks the location of this eclectic local mall.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

Granting the right of way to ships over surface traffic since 1917.

A colorful statue honoring the local salmon in glass and bronze.

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

This gold-winged spire celebrates the first true flight around the world.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

The cardinal directions, set in stone.

A nearly abandoned 19th-century town on the Palouse.

The gravestones in this lost burial ground were bulldozed and replaced with houses and a dog park.

A small town market proudly displays numerous taxidermied animals along its walls.

A tiny plaque hidden miles into the Washington wilderness is all that remains to honor a shipwreck that left 18 people dead.

This 50-ton ship on Orcas Island has never seen the ocean.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

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

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.