"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

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

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

Take a drunken tour inside the world's largest known geode.

Where beautiful signs live on forever.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

A century-old network of freight tunnels underneath the city's historic business district.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

This Mediterranean castle was built for a millionaire and his giant dog.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The 40-year-old machine serves soda quicker than you can catch it for a mere 75 cents a pop.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

An avant garde art museum at the University of Chicago.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

These pretty kitties killed and ate as many as 135 railway workers.

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