A large circus museum with summer performances.

A unique botanical garden housed in three giant geodesic domes.

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

A theme park attraction designed to turn your children into LARPers.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

This cave holds a surprisingly colorful variety of geological oddities.

This pebble beach is so beautiful that taking its rocks is against the law.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

A bizarre house filled with an astounding array of collections.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

A giant chess set, minus the psychedelic drug trip.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Concrete strongholds stand guard over the Golden Gate.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Oakland's beautiful monumental cemetery.

Thousands of crosses and markers for soldiers who lost their lives in Iraq and Afghanistan blanket a California hillside.

Where the polar bear watches over everything, and every drink is a double.