A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

This rustic old building is said to be the most photographed barn in America.

The first declared National Monument in the United States.

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

One of the first intercontinental ballistic missile sites in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

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

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

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

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

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A museum dedicated to the exploring past, present, and future innovations.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This sculpture is dedicated to Minnesota natives who served in combat.

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

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

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

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.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

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

A toxic ghost town sitting atop a massive coal fire.