Kayakers Came Across a Chilling Secret While Out on the River

The Lascaux Cave

In 1940, a group of French teenagers were exploring the forests near Montignac when their dog started sniffing for something unfamiliar. After upheaving a loose stone shaft, they discovered an underground cavern with massive painted walls. They explored the cave in secret first, and then reported what they'd found to historians who determined that the cave paintings were between 15,000-17,000 years old...