The “Alien” Petroglyphs of Chile’s Valle del Encanto
Peculiar pre-Hispanic petroglyphs & ancient astronaut theories
Is the Assyrian Nimrud Lens the oldest telescope in the world?
“This piece of rock crystal has been carefully ground and polished, and undoubtedly has optical properties”
Unique sword casts new light on Viking voyages across the North Sea
Only about 20 such swords have been found in Norway out of a total of around 3,000 Viking sword finds