A curiosity-seeker's paradise set inside a three-story historic school house.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

A display of magnificent stained glass windows is the first exhibit of its kind.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A unique botanical garden housed in three giant geodesic domes.

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

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

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

Electrical pylon in the shape of Disney's beloved mouse.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

"We Seceded Where Others Failed."

Over 120,000 curious objects that have shaped our modern world.

A monument celebrating the idea of reaching inaccessible places.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A mysterious castle built as a monument to lost love.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

Located within a historic park, the beacon is the oldest standing structure in Miami.

A community of collapsing homes more than a mile out from the Florida coast.

An abandoned water sports stadium that has become a haven for graffiti and decay.