The word 'artifact' can be used to refer to almost any object made by human beings. Your smartphone is an artifact, as is your computer, your watch, and the mug you drink your coffee from. To qualify as a remarkable artifact, ab object has to be a little more historically or culturally significant than your average watch or phone, though. Everything you're about to see in this video is a remarkable artifact, and in some cases, they're artifacts that come with more questions than answers!