The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This archaeological dig site and museum is home to one of the largest dinosaur fossil collections in the world.

A scenic natural bridge with a creek running underneath.

This historic Union Pacific Railroad depot is a stunning symbol of American post-Civil War progress.

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.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

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

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

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

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

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

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

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

Nicknamed the 'Minnehaha Bunny,' this bronze sculpture is nine feet long and weighs 1,500 pounds.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

This was the first ever National Lakeshore, established in 1966.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

A one-stop shop for all things snowmobile, started by a snowmobile-obsessed group of friends in Wisconsin.

Home to a 26-foot-tall statue of an American icon.

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

This wooden troll marks the starting point for Detroit Lakes' troll scavenger hunt.

Once a giant oak that served as the region's post office.