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

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

What's that on the side of that building? Va Va Voom, it's Bettie!

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

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

Old submarine parts have been converted into faux whale fins.

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

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

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

A wall of chewing gum moonlights as collective art.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

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

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

This 12-inch-tall wooden sculpture of a winged Virgin Mary has inspired much devotion and countless replicas.

Quito's historic, main square dates back to the 16th century.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.