At least 15 human skulls at a Neolithic site in Italy may represent the group's collective ancestors, although archaeologists aren't certain. When you purchase through links on our site, we may earn ...

Colorado, or the Centennial State as it is often called, isn't limited to its impressive mountains and beautiful scenery but also to being home to some of the coolest archaeological discoveries.

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Monumentality / Chris Scarre -- Landscape / Randi Haaland, Gunnar Haaland -- Water / Terje Oestigaard -- Fire / Anders Kaliff -- Myth and folklore / Amy Gazin ...