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

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

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

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

The first hand-illuminated, hand-written bible since the invention of the printing press.

Inside this museum resides a boot fit for a giant.

A stone face watches over the river.

An amazing collection of sculptures and art.

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

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

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

These curious caverns have been home to mushrooms, gangsters, and disco.

This statue of Olympic hockey coach Herb Brooks immortalizes one of the greatest moments in American sports history.

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.

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

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

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

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

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

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

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

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

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