Ever wondered what do mountains and valleys sound like? A project called the Flat Earth Society used elevation map data from NASA to create a record that has microscopic versions of the Rocky Mountains, the Himalayas, the Alps and the Grand Canyon.

The record plays back a garbled mess of hiss and noise and random pops. So if you were ever curious about the sounds, here it is. Check out the video below: [Vimeo via Notcot]