No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

Gigantic private toy museum featuring among finest collections of antique mechanical banks in existence.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Where Nor'easters go to die.

A small, fascinating fire museum hidden in plain sight in an administrative building.

This rare, carefully curated collection showcases the history of neon inside a grandiose Elks lodge.

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

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

An extraordinary mixture of natural beauty and man-made phenomena.

A fine, large-aperture telescope available for public use.

100-year-old shipwreck you can walk up to at low tide.

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

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A Roman-style column in Oregon hides a spiral staircase inside.

An annual celebration of the infamous, unsolved skyjacking.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This solo operation offers the world's only whey wines in flavors such as chocolate-orange.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.