A beautiful geyser under environmental threat.

New fungal and bacterial species call this deadly lake home.

A trash dump made beautiful by nature's power.

Home to the deepest rift anywhere on Earth.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The only road through the heart of Glacier National Park.

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

Only known mainland rookery of the threatened Stellar sea lion.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Stroll through a wonderland of stupendous moss-covered trees.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

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

This famous bridge twisted itself into oblivion, but not for the reason you might think.

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

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

Concrete strongholds stand guard over the Golden Gate.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Perfect your fly fishing technique on their practice ponds.

A monumental cross hides in the trees in Golden Gate Park.

San Francisco's newly reopened hands-on science museum.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Furniture tries to escape an abandoned building in San Francisco.