When you picture the great outdoors, you might think of green fields, glistening waterfalls and beautiful flowers, so it’s no surprise that getting out in nature is number one of the doctor’s orders for improving our mental health and wellbeing. But the outdoors isn’t always rainbows and butterflies, as you’re about to find out. Nature can also be creepy, gross, and full on terrifying. Don’t believe us? Here are 75 pictures of times nature gave us the serious heebie-jeebies.