Across the world, archaeologists keep stumbling on structures so old, so large and so technically sophisticated that they seem to have no right to exist in the eras that produced them. From submerged ...

Deep in the Amazon rainforest, researchers have uncovered an ancient structure that rivals the size of some modern cities. Utilizing advanced technologies like LIDAR, scientists have revealed vast, ...

Add Yahoo as a preferred source to see more of our stories on Google. Petra in Jordan stands as one of the most famous archaeological sites on the planet (Getty Images) You may have read about the ...