This quiet neighborhood is also home to a 700-ton rock transported by the last Ice Age.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

A commemorative mural in this tiny Ballard park honors the neighborhood's rich Scandinavian ties, particularly with Seattle's Norwegian sister city Bergen.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

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.

Old submarine parts have been converted into faux whale fins.

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

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

Couple's personal collection of pinball machines turned public pinball museum.

A wall of chewing gum moonlights as collective art.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Make your reservation to have coffee with some kitties.

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

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Location of a reliquary containing bone fragments of 18 saints.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

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

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The plague quarantine island home to the alleged "Vampire of Venice."

Go inside to really appreciate this 500-year-old technological masterpiece.