How Nature Creates Uncannily Spherical Boulders
(via Atlas Obscura) Large boulders shaped like nearly perfect spheres can be found in a handful of places around the world. Perched amid craggy, sandy landscapes, these curious orbs have been confounding onlookers for centuries. Some are so superbly round they appear to defy nature, which has led to wild speculation as to their origins: Ancient gods? Alien eggs? Evidence of giants?
