This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

Enter the Forest of the Elves.

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

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

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

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.

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

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

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

Where the oil industry began.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

After covering almost 1.5 billion acres, the survey's still not finished.

Could it have picked a better place to land?

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

A monument to the “unrecognized dead” of the tragic 1876 train crash.

"Where the ducks walk on fish."

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

A dazzling display of lights and crystals.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.