Tonight, Albert Lin is searching for the Lost City of Stonehenge. | National Geographic TV

Albert Yu-Min Lin, Ph.D. uses augmented reality to map skeletons discovered at a mysterious sacrifice site in Peru. #LostCities with Albert Lin airs Friday night at 11/10c on National Geographic. | National Geographic TV

The Canaanites survived a century-long mega drought — but how? Find out in an all-new #LostCitiesRevealed with Albert Yu-Min Lin, Ph.D., tonight at 9/8c on National Geographic. Now streaming on Disney and Hulu. | National Geographic TV

Using cutting-edge LIDAR technology and AR, Albert Yu-Min Lin, Ph.D. is able to map what Ciudad Perdida looked like during its prime. | National Geographic TV

Combining high-tech archaeology, breathtaking visuals, and genuine exploration, Lost Cities with Albert Lin (Albert Yu-Min Lin, Ph.D.) brings the mysteries of the past to life. Be sure to catch the series premiere next Sunday, October 20th at 10/9c. | National Geographic TV

Albert Yu-Min Lin, Ph.D. and archaeologist Santiago Giraldo use satellite maps to plan out the best route for scanning Ciudad Perdida, which would take 3 days of hiking through dense jungle followed by a 1,200 step climb up a steep staircase to reach by foot. | National Geographic TV

Albert Lin looks into a secret ancient Maya tunnel that leads to crypts with long dead snake kings and queens. Lost Cities With Albert Lin airs tomorrow at 10/9c. | National Geographic TV