We’ve unraveled some of the most intriguing mysteries of our past, but there is still a lot more for us to discover. However, finding an artifact doesn’t always mean finding the answers we need. Sometimes, discovering things leads to more unanswered questions.

Let’s take a look at some of the most intriguing archeological finds you might have missed.

From creepy mummy portraits to a precious medieval ring, here are the 15 most mysterious recent archeological finds and artifacts scientists still can’t explain.