A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

One of the American Southwest's most extensive collections of Navajo rock art.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

A clear blue swimming hole with hidden caves, still unexplored.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

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

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

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.

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

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

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

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

The magic's in the hole!

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

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

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

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

The remains of a former logging boom town, crumbled away in the forest.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.