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

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

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

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

A nondescript Seattle restaurant inherited a piece of European history.

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.

A wall of chewing gum moonlights as collective art.

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

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

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

A white oak with property rights.

Millions of dollars worth of sculpture decorate this Iowa city center.

The birthplace of the Ford Model T is now a museum full of antique cars.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This feline raises a friendly paw at drivers barreling toward the freeway.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

Abandoned concert venue legendary for its rock counterculture.

This beautiful site is where the first transatlantic telegraph was sent from.

An abandoned faux-pub made famous by a Guinness commercial.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.