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Finding the legendary lost cultures of ancient Peru
Ancient Peru was home to many cultures, most of them still mysterious. But as Sarah Parcak points her satellite-archaeology lens (and her new citizen-explorer project) at the Peruvian wilderness, the invisible past is primed to make a remarkable comeback.
Posted Jun 2016
Gallery: A journey into the world’s oldest and most puzzling caves
Cave explorer Francesco Sauro shares astonishing images from a trip into what might just be the oldest caves in the world ... carved into the quartzite Tepui mountains of Venezuela.
Posted Oct 2015