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

6.7K views · 128 reactions | 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 | Facebook

Albert Lin travels to Micronesia, in the heart of the Pacific Ocean, to explore the tombs and ritual sites of the ancient island city Nan Madol. #LostCitiesWithAlbertLin Continues Tonight 8.30pm AEDT/NZDT on National Geographic Watch more: http://bit.ly/2KxrZoN | National Geographic Australia

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

30K views · 288 reactions | 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 | Facebook