An allegedly haunted mansion with a tragic, tawdry past.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.

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

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

Four abandoned towers hidden above the Douglas fir forest in Washington.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

An abandoned 19th-century hospital now swirling in ghost stories.