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

The birthplace of a titan of American cinema.

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

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

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

A unique botanical garden housed in three giant geodesic domes.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

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

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

An overlooked tribute to one of the most important peace deals in American history.

A public art jibe at one of the United States’ oldest and longest-serving senators.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

The last street in Pittsburgh that's paved with wood.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

There aren't too many operational funiculars around, but Pittsburgh has two!