At this Wisconsin museum there are real ducks, fake ducks, duck calls and a Duck Blind.

A bizarre house filled with an astounding array of collections.

A Masterpiece with a Tragic History.

A second generation sun-powered marvel lights up the night.

Santa Monica's oldest restaurant, decorated with set pieces from the Mutiny on the Bounty.

This conservation area is also home to many of the region's desert tortoises.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A massive volcanic plug is now a protected area that hosts a number of bird species.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

This giant temperature attraction created some giant electric bills.

The remnants of a failed socialist commune can still be found just off a California highway.

A 19th-century cabin built into a hollowed-out Sequoia tree.

More than a century of radio history is told in these displays.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

California's oldest wind harp represents a historic piece of America's Danish history.

Four hundred granite steps were built into this massive rock by the National Park Service.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The cluster of boulders near Fort Irwin is covered in military insignia.

Oldest building in California still in use.

Steepest flood safety railway in the entire world.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

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

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.