NASA helped discover an ancient city underneath Oklahoma using its LIDAR system.
A laser-based remote-sensing equipment called lidar, which is used in observing planets, moons and asteroids, could provide help archaeologists in finding fossils and bones hidden below Earth’s surface.
A whopping 6000 square kilometers of coral reef has been discovered and mapped behind the Great Barrier Reef.
Lasers revealed what could be ancient cities buried underneath Cambodia's forest bed. The lasers were used to scan the area near Angkor Wat and the findings revealed cities as big as Phom Phen.