A museum devoted entirely to the rattlesnakes and snake-related art.

A museum dedicated to the alleged Roswell Incident.

A clear blue swimming hole with hidden caves, still unexplored.

Crumbling remnants of what was once a booming town full of silver.

This tiny Minnesota city tried to secede from the Union as a last-ditch effort to fix its crumbling water system.

The world's largest floating loon bobs in the lake to kick off an annual festival.

The statue honors the booming birds Rothsay, Minnesota, is famous for.

Home to part of the world’s largest private collection of original manuscripts and documents.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

No one's quite sure where this quirky university tradition originated.

A palatial art deco restroom.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

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