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

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

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

Browse through roughly 130,000 titles in the world's largest independent video rental store.

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

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.

This remarkable collection devoted to the study of fish includes 1 million preserved specimens from all around the world.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

This dilapidated ship carcass covered in trees is a striking sight.

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

Bonsai trees that are up to a thousand years old.

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

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

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

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

A unique attraction and museum dedicated to exploring iconic roadside structures.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.