In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

San Francisco's newly reopened hands-on science museum.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

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

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

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

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

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

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.

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

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

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

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

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

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

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

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

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

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

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