The only arched bridge made of stone on the entire Mississippi River.

This old residential building was once the largest flour mill in the world.

When flour explodes, it's not a pretty sight.

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

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.

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

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

Inside this museum resides a boot fit for a giant.

Ever wanted to can Spam?

This water tower has been a staple of the Rochester skyline since 1931.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This large midwestern cavern features impressive rock formations and an underground waterfall.

A curious sculpture garden and museum in Cochrane, Wisconsin.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.