Celebrate Earth Day with a menagerie of vibrant, artistic animal costumes.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Leave a button on the jacket of this iconic Seattle clown.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

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

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

These giant metal horses graze on a hilltop near the Montana highway.

A botanic garden full of trees twisted into fantastic shapes and positions.

A collection of huge, site-specific sculptures sitting in the Montana woods.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

This charmingly homemade amusement park has been growing for 40 years.

The "plyscraper" is the world's tallest building made predominantly out of wood.

Shoreline strewn with the remains of ghostly fallen trees.

A tiny plaque hidden miles into the Washington wilderness is all that remains to honor a shipwreck that left 18 people dead.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.