Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

What happens when a sculptor has to find a way around a 100-year-old copyright.

Feeding hungry Ballard boat workers since 1922.

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

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

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

A wall of chewing gum moonlights as collective art.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

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

A stunning landscape of bunkers that once stored chemical weapons.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

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

Home to Hollywood history and a very special salt crystal.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Concrete igloos standing across from what remains of the Michigan Central train depot.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

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

A star fort along the C&O Canal in western Maryland that protected America in three wars.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.