He entered a remote cave expecting to find little more than geological formations and mineral deposits. Instead, according to one of the most debated stories in American archaeology, the expedition reportedly uncovered ancient artefacts, unusual inscriptions and evidence that appeared to challenge conventional understandings of North American history.The claims were extraordinary. Reports described chambers filled…

Canada is often described through its natural lakes, rivers and vast northern landscapes. Yet some of the country’s largest bodies of water were created not by glaciers or geological forces, but by engineering projects designed to store water and generate electricity. Over the past century, major hydroelectric developments transformed valleys, river systems and low-lying terrain…