This frequently-photographed waterfall takes only a short hike to visit.

A heavenly experience, right here on Terra Firma.

An emporium for the weird, creepy, rare, and just plain gross.

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

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

The second tallest railway trestle bridge in America.

Walking by this fence is like strolling along a portal to various fictional worlds.

People come from across the globe to swim in this lake believed to have healing properties.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

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

This playground sculpture of an icon from the past is dedicated to the children of the future.

The century-old remains of an abandoned farm town in eastern Washington.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A nearly abandoned 19th-century town on the Palouse.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

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

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

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

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