Bronze statue marks the spinach capital of the world.

This defunct, fortress-like prison has been the setting for several movies.

The first full-scale tunnel built in America is short but scenic.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

Home of an evil witch famous within southern folklore.

"The House That Love Built" is shying away from "The House That Ghosts Love."

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Old submarine parts have been converted into faux whale fins.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

A modern temple with an ancient philosophy.

Is this the most Portland place ever?

Tiny horses tethered to antique rings are scattered around the city.

World's only nuclear reactor operated by liberal arts undergraduates.

Private collection of art inspired by cabinets of curiosity.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

An institution that preserves the history of institutionalization.