The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

This museum glorifies the humble potato.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

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

The longest continuous lava tube in Oregon.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

A massive sea stack famous for its appearance in The Goonies.

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

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

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

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

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

The wooden airship was the largest flying boat ever built.

Hollowed out cedar log tubs set in an ancient towering forest.

Formerly secret, precariously perched boulders.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Only known mainland rookery of the threatened Stellar sea lion.

This little museum has an exhibit devoted to the elusive forest denizens.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.