The first declared National Monument in the United States.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

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

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

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

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

A winged-helmed, sword-brandishing tribute to German Americans.

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

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

A stone face watches over the river.

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

World's largest carved onyx figure stands as a tribute to enduring peace.

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.

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

Secret hideaway for an alternative beach experience.

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

Hub of Scandinavian culture in a Minneapolis deli.

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

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

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

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

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

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