A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

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

Shoreline strewn with the remains of ghostly fallen trees.

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

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

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

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

A short hike into the mountainside forest reveals a decaying 1890s town.

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

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

A wall of chewing gum moonlights as collective art.

Rustic natural hot springs in the deciduous rain forest.

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

Stroll through a wonderland of stupendous moss-covered trees.

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

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

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

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

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

See just what life was like in a 19th-century prospecting town.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.