This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The world's only museum devoted to the wonders of fluorescence.

Their motto is, "We've been bonkers for hats even longer than you have!"

The magic's in the hole!

A beautiful 62-acre Catholic shrine and botanical garden.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

This former lieutenant governor's home is brimming with curiosities.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A walk through the historic city center, under the streets of Seattle.

Seattle's own bad art museum located inside Cafe Racer.

A house filled to the brim with oddities and curiosities.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

Hollowed out cedar log tubs set in an ancient towering forest.

The only theatre in the world constructed specifically for sound movement.

A trash dump made beautiful by nature's power.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A museum dedicated to the alleged Roswell Incident.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Suburban observatory was personal lab of the father of modern astrophysics.