An abandoned castle owned and ignored by Masons carries a cursed history.

A large circus museum with summer performances.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

The world's third-largest scale model of the planets.

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.

This family driveway also serves as the highest point in Illinois.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

A bypass decorated with large wooden troll carvings.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

More than 5,000 contemporary and "historic" mustards from around the world.

The dream home of an iconoclastic renaissance man still stands as a monument to his domestically mundane vision.

Amateur taxidermy museum known for its large collection of white squirrels.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Complex aquaponics systems allow fish and plants to grow in harmony.

One of Frank Lloyd Wright's final works was this UFO church.

This striking art museum holds an amazing series of curiosity cabinets.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

A trailblazing sovereign nation tucked in the American state of Wisconsin.