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

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

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

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

One of two giant blue cockerel statues erected with an intentional double meaning.

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

The oldest remaining frame residence in Minneapolis.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

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

The watery grave of an impractical idea.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Minnesota's highest point is a scenic vista marked by a plaque and armies of mosquitoes.

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

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

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

This Minnesota town celebrated the state's 100-year anniversary by creating a massive ode to nature's smartest bird.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

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.

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.

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

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