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

A spooky defunct railroad tunnel now part of a sprawling trail.

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

Secret hideaway for an alternative beach experience.

Hub of Scandinavian culture in a Minneapolis deli.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

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

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.

Ever wanted to can Spam?

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

Roaming bison and a spectacular view at the highest point in Nebraska.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This erect, phallic geological spire wasn't always named so domestically.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

This remote island in Iowa was abandoned after being devastated by flood.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

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

The lowest point in South Dakota and the source of the Minnesota River.

A fitting attraction for the corn capital of the world.

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