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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

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

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

The first park built over a freeway is a brutalist masterwork.

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

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

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

The highest point in Washington state is a volcano covered in glaciers.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The magic's in the hole!

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The celebrated eyesore created by starry-eyed sweethearts.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.