I’ve had a long-term obsession with the poles, but it’s only recently that I learned about Antarctica’s Blood Falls. My heart loves new knowledge, just as much as my brain does.
Don’t worry, what you’re seeing in the photo below isn’t the blood of a hundred thousand penguins, sacrificed in some gristly ritual. It’s water that has never seen sunlight, has been devoid of oxygen and is packed with iron. When the water comes into contact with air, it rusts, thus creating the blood red stains on the ice walls as it falls.