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

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

Every summer West Seattle experiences a housing bloom.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

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.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

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

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A beautiful final resting place for some of the noteworthy deceased.

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

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

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

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

This roadside park filled with unusual statues is on the grounds of an abandoned railway station.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

This unique library spans a mighty river.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

Both funky and traditional, it's the oldest of its kind in Indiana.