There's something big lurking beneath the surface of this tiny Oregon park.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

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

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.

In this African village, the walls of the chief's compound are painted with beautiful traditional designs.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

A replica that won't float away.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

A terrific purveyor of natural history objects and curios.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

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

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

This charmingly homemade amusement park has been growing for 40 years.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

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

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