For centuries, the Amazon rainforest was thought to be a vast, untouched wilderness, inhabited only by scattered ...

Recent laser mapping via light detection and ranging, called ‘Lidar', has uncovered a network of ancient cities the Upano Valley, Ecuador. What can be seen is a thriving civilization over 2,500 ...

Shortly after Niels Olsen, Minister of Tourism of Ecuador, wrote to him in response ... shape of an immense crater that is where the ancient city of Cuenca, founded less than half a century ...