This natural marble cave is one of only five national monuments in Oregon.

Is this the most Portland place ever?

A collection of colorful dinosaurs hidden in an actual rainforest.

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

At night, this glittering musical tunnel draws skaters and photographers.

This bakery sits on the site of the Black Panther Party's first headquarters.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

One man's prolific, decade-long quest to turn trash into artistic treasure.

This Portland shop is brimming with natural wonders, local art, and handmade goods fashioned from recycled materials.

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

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

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

This restaurant features Native American foods from across the country.

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

The largest Star Wars collection in the world is its own galaxy of collectibles.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

A grove of "candelabra redwoods" deep in California's Lost Coast.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

Half of a house.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

A huge musical instrument played by the ocean.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.