A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A "Minnesota-style" pizza parlor in the Scandinavian heart of Seattle.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

A modern mechanical planetary system, part of a 10,000 year clock.

Art in the form of a winding, man made crack in stone.

A hidden subterranean installation offers a view of the sky.

An ice cream parlor chain that caters to vegans and pinball fans equally.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The only theatre in the world constructed specifically for sound movement.

Furniture tries to escape an abandoned building in San Francisco.

This sprawling collection hides many charms.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

The seamy, underground secrets of Portland's criminal past.

A busy cafe better known for board games than food.