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

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.

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

A palatial art deco restroom.

From burial ground bocce ball court.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

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

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.

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

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

No one's quite sure where this quirky university tradition originated.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

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

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

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