SOUND

The Quietest Place in the World: https://www.minnesotaalumni.org/stories/the-quietest-place-in-the-world 

Thanks to a lurid Smithsonian Magazine headline in 2012- "Earth's Quietest Place Will Drive You Crazy in 45 Minutes"- a parade of journalists and curiosity seekers have flocked to this room. (The company's website invites all comers to take "The Orfield Challenge" for $600 per hour.)