12 Most Mysterious Finds Scientists Still Can't Explain

The practice of archaeology doesn't only involve finding ancient objects and artifacts. It also involves explaining what they are and what they mean in the context of history. In a lot of ways, discovering something is an easy part. Understanding it is far harder, and in some cases, proves to be impossible! All the discoveries you're about to see challenged the archaeologists who made them, and some of them remain equally as puzzling today.