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

Treehouse motel and treehouse-building school.

A quirky old tree covered in tokens, cans, and bottles of wishes.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This ghost town was once a cult-like religious utopian settlement.

A sculpture for the sun and stars, created by Nancy Holt.

A house carved into a rock in the 1940s.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

A collection of colorful dinosaurs hidden in an actual rainforest.

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

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

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