Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

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.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

The largest police museum in the western United States displays the evolution of crime-fighting Seattle.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

A colorful architectural gem in Seattle's uniquely modern Central Library.

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

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

A community gathering place that once housed half-ton tanks and the World's Fair.