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

A house filled to the brim with oddities and curiosities.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A whimsical village of unique treehouses resides in a Washington forest.

Rustic natural hot springs in the deciduous rain forest.

Make your reservation to have coffee with some kitties.

Seattle's own bad art museum located inside Cafe Racer.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

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

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

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

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

The mayor made the declaration in 2004.

This oddity shop contains everything from antique tools to a human skeleton.

It was once used as a classroom to teach mining skills to local high school students.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

After this former brothel closed, its interior remained almost frozen in time.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A wild west land agreement was etched right onto this historic Idaho stone.

A black cottonwood gets a second life as a home for books.

The decorations were inspired by an unlikely missing treasure.

A giant milk bottle from the 1930s beckons drivers to this diner.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

A Belle Epoque bordello turned into a themed love hotel.