A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

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

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

The center of the only hemisphere that awards visitors with a commemorative coin.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

Robots, lasers, and whoopee cushions, oh my!

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

The study has wall paneling from a 17th century ship.

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

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

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

A military museum and library dedicated to the citizen soldier.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Orthodox church partially financed by Tsar Nicolas II.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.