These out-of-place artifacts, or OOPArts, are surprising for their place and time — but there's an explanation behind each one.
Out of Place Artifacts are items found where they could not possibly be. Are they evidence of advanced technology from the ancient past, or even time travel?
From the Baghdad Battery to the Antikythera Mechanism, these 21 out-of-place artifacts have baffled historians for decades. Here's what science actually says about each one.
Explore out-of-place artifacts that challenge our understanding of history, from the ancient Antikythera Mechanism to the Baghdad Battery.
Out of place artifacts are artifacts found in unusual contexts, without a logical explanation for why they're there. But what's the truth?
Discover the phenomenon of out of place artifacts, including examples and theories in this five-minute guide.
Out-of-place Artifacts are any historical object that seems, at a glance, to go against our understanding of historical chronology. Some artifacts appear "too advanced" for the technology of the period they were created, and seem like they’ve fallen out of time. The mystery of these artifacts has led to a range of wild speculation, involving everything from aliens to time travel. As much fun ...
History is full of strange discoveries—but some artifacts seem completely out of place. In this video we explore seven mysterious objects that challenge what we think we know about the past. From ...
An out-of-place artifact (OOPArt or oopart) is an artifact of historical, archaeological, or paleontological interest to someone that is claimed to have been found in an unusual context, which someone claims to challenge conventional historical chronology by its presence in that context.