Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

A treehouse assailed by the elements and the government, now gone.

A Museum Dedicated to the Heroes That Fight Fire.

A collection of pianos and more guaranteed to delight anyone interested in music history.

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A warehouse for all of your architectural details.

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

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

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

Hub of Scandinavian culture in a Minneapolis deli.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

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

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

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

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.

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

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

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

An architecturally-focused antique shop.

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

A museum within a museum, devoted to history's most questionable medical devices.