People, in general, prefer to be above the ground. That’s where we’ve evolved to survive and thrive, off of the plants and animals that make up the surface world. Some people, however, have learned to enjoy the pitch black nothingness that caves can present, and are filled with a sense of adventure by exploring them. Some of the things found during these expenditures, however, are stranger than most realize. There are some truly unexplained things that have been dragged up from beneath the Earth’s crust. From baby dragons to marks warding off Ancient witches, you’d be hard-pressed to find something stranger anywhere else. Make sure to stick around until the end; you wouldn’t want to miss a cave turned into a massive instrument! Here are 15 of the strangest things found in caves.