A unique botanical garden housed in three giant geodesic domes.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Built in France in the 1400s, this gothic chapel now resides at Marquette University in Milwaukee, Wisconsin.

A wonderfully curated used bookstore in an airport.

One of the oldest and tallest lighthouses still in service on Lake Michigan.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Once the home of a hermetic monk, this cave now houses a small church.

Museum dedicated to the terror regimes of Hungary.

This castle played host to the largest great hall found in medieval Central Europe.

A large circus museum with summer performances.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

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

Five acres of divinely inspired folk art.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

Statue dedicated to the star of an old television show.

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

According to the legend, this strikingly beautiful hill has miraculous healing powers.

In 1859, the Virgin Mary supposedly appeared in this small town.

These rural ruins are of a Midwestern hotel that was once an elegant spa for the wealthy, then a gangster’s hideaway, and finally a haunted retreat.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

A private home collection of more than 3,500 cat figurines.