A giant Troll lurks under one of Seattle's oldest bridges.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

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

A collection of odd-shaped and quirky sounding instruments handmade by a midcentury inventor-composer.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

Experience Larry Spring's self-taught "common sense" laws of physics.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.

One woman's Viking Castle on Lake Tahoe.

The headquarters of a secretive order is also a beautifully-designed park.

The unbelievably opulent home built for an infamous newspaperman.

One of the last free public hot springs is decorated with hippie art.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

360-degree virtual reality chamber physically immerses scientists into their data.

An abandoned, unfinished mansion on grounds strewn with lava rocks.

A ruined hotel with an unlucky history and an eerie present.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.