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

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

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

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

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

A comprehensive collection of bonsai set in a beautiful campus.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

This Cold War siren is one off the last of its kind still standing with its immensely powerful original horn.

A commemorative mural in this tiny Ballard park honors the neighborhood's rich Scandinavian ties, particularly with Seattle's Norwegian sister city Bergen.

Four abandoned towers hidden above the Douglas fir forest in Washington.

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

This dilapidated ship carcass covered in trees is a striking sight.

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.

Feeding hungry Ballard boat workers since 1922.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

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

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.