Tens of thousands of tiny birds swarm into one school chimney every fall.

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

Rustic natural hot springs in the deciduous rain forest.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

"The House That Love Built" is shying away from "The House That Ghosts Love."

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

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

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

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

Even Henry David Thoreau found this glacial pothole irresistible.

The eccentric mansion of one the most popular horror authors of modern times.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

Abandoned concert venue legendary for its rock counterculture.

The bones of an old zoo crumbling in the shadow of a new one.

An ornate Detroit church, left empty and ravaged by time.

The collection of ceremonial and cultural objects spans many countries and hundreds of years.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Detroit housing collective working to create an "environment for revolutionary change."

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.