Rock formations that look like faces are called “mimetoliths”. Faces in rock can accrue great cultural significance as land marks. Societies place spiritual meaning into features that appear meaningful because they resemble a human form.
Devil’s Den is an infamous collection of large diabase boulders within the Gettysburg National Battlefield. The location has accrued spooky legends. But the truth about this diabolical place, and others with the same name, is connected to geology.