A serpentine highway twists and turns over the treacherous Norwegian Sea.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

The largest self-built castle in the U.S., six decades in the making.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Along a California highway is a kind of Jurassic Park made of metal.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

All that's left of the quintessential "cabin in the woods."

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

This iconic science fiction house still looks like something from the future.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.