They can map the country's historic sites faster than humans, while also monitoring the areas for intruders.
Archaeologists say the uncovered medieval cityscape is "without parallel in the pre-industrial world."
A specialized Street View collaboration with UNESCO has a lot to offer fans of urban exploration.
Divers used a robotic optics system to create a photorealistic reconstruction of Pavlopetri, an ancient trading post off the coast of Greece.
New evidence of a "sprawling metropolis" that existed in East St. Louis from 1000-1300 A.D.