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

Stroll through a wonderland of stupendous moss-covered trees.

One man's eclectic collection of treasures found at sea.

Not far from Mount Rainer, an iron wonderland claims the landscape.

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

Perhaps the world's only gas station inspired by a political scandal.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

The world's last remaining store of its kind.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

A whimsical display of massive metal sculptures made from recycled materials.

A large lava tube that can be walked through with no special equipment.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

An ill-fated attempt to grow wheat in the sagebrush steppe of northeastern Nevada.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

An impressive waterfall nestled in the cliffs of Idaho's Snake River Canyon.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

During World War II, over 13,000 people of Japanese ancestry were forcibly removed from their homes and incarcerated in this camp in the Idaho desert.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

This underground cave located in the most barren reaches of Idaho is filled with ice year-round.