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

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

Museum dedicated to the art of cutting and polishing stones.

The only surviving prototype for Buckminster Fuller's house of the future.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

An office built to look like a giant basket.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

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.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The world's largest fire hydrant is supposedly tornado-proof.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.