The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

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

A comprehensive collection of bonsai set in a beautiful campus.

This beautiful landscape is the only Sichuan-style garden outside of China.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

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

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

Site of the greatest known waterfall that ever existed.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

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

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

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

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

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

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.