This psychedelic tourist trap is a leisurely descent into madness.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A geometric jumble of homes.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

A kaleidoscopic warehouse-maze of handmade neon signs.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

This giant power line tower is a robot that can express its moods in neon.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

The site of the climactic scene from the classic horror film is now a historic landmark.

This stave church nestled in the Catskills was built in the 1960s by a community of Ukrainian immigrants and refugees.

This fairytale medieval church in Poland originally spent centuries in Norway.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

An intricately carved Viking church overlooks a glistening fjord.