The boulder is a landmark, public art, and an icon.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

The longest and widest floating bridge in the world.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

Nuclear reactor created the plutonium used on Nagasaki.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This monument remembers the first Japanese Americans forcibly relocated during World War II.

Perhaps the world's only gas station inspired by a political scandal.

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

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

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.

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

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Iconic rock formations that allow for exploration during high or low tide.

A mysterious spot where the laws of gravity seem not to apply.

This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

France's most famous cemetery, with some of its most curious tombs.