A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

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

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

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

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A toxic ghost town sitting atop a massive coal fire.

This abandoned amusement park was built on a site with a dark history.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An ancient monastery, a locked room, and a mysterious book heist.

Possibly the smallest church in the world floats in the middle of a pond.

Home on the Hillside, and home of the first breakfast cereal.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A haunted hill that supposedly defied gravity.

Resting place of Hollywood's immortals is also site of summer film screenings.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.