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

Site of the greatest known waterfall that ever existed.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

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

The highest point in Washington state is a volcano covered in glaciers.

"The House That Love Built" is shying away from "The House That Ghosts Love."

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

An obscure waterfall that looks like something out of a fantasy novel.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

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

An extraordinary mixture of natural beauty and man-made phenomena.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This ten-ton fruit sculpture celebrates the Finland homeland.

Fortifications built for a Soviet invasion that never came now sit abandoned in a losing battle against nature.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.