The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

The world's largest floating loon bobs in the lake to kick off an annual festival.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

This iconic water tower and failed bandstand is open for panoramic views once a year.

A warehouse for all of your architectural details.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

A museum dedicated to the exploring past, present, and future innovations.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

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

20,000 pieces in a Frank Gehry-designed building.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Berlin's old airport.

One of only two commuter aerial tramways in the United States.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.