A true treehouse near Hawai'i Volcanoes National Park.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Its columns were all carved from the same white oak tree.

Antiques shop filled with all manner of curious collectibles.

The ruins of Vancouver's abandoned heritage railway.

Traditional 15th century Chinese garden in the middle of Vancouver.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

A "Minnesota-style" pizza parlor in the Scandinavian heart of Seattle.

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

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

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

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

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

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

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

This unique library spans a mighty river.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

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

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.