Nazca Lines / Trophy Heads - S1.E8

Nasca Lines Christina heads to Peru and nearby graves to investigate mysterious lines etched into the earth that stretch on and on, and twist in all directions. These humongous line drawings take on the familiar shapes of animals and people, forming a lost civilization. Mystery Lab Araya and Doubting Dave make giant chalk drawing drawings. V-File A black cat crossed my path is it true I will have bad luck? (Blanca Diaz Chavez, 12 years old, Ajijic, Mexico)