A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

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

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

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

A fitting attraction for the corn capital of the world.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

An oddly poignant roadside attraction celebrating American folklore.

Farms are serving pizza made from their own fresh crops, a growing trend in the American Midwest.

This striking art museum holds an amazing series of curiosity cabinets.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A bizarre house filled with an astounding array of collections.

Half of a waterfall goes into the river while the other half seems to disappear.

This large midwestern cavern features impressive rock formations and an underground waterfall.

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.

A museum within a museum, devoted to history's most questionable medical devices.