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

Most famous work of one of Frank Lloyd Wright's sons.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

Furniture tries to escape an abandoned building in San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

An overlooked and unassuming engineering marvel.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This former coal gasification plant found a curious second life as a popular public park.

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

An eclectic restaurant serving from and to the nearby Chittenden Locks.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

Folk art crafted from discarded vegetable crates.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Home to the "Circus" trees created by Axel Erlandson.

This turn of the century masterpiece has a mysterious goaty interloper.

Commonly referred to as the most photographed Victorian home in the United States.

Canyon walls shrouded in ferns.