Clip: Episode 1 | 3m 20s
Beyond a coral reef, a tomb of lost turtles leaves more questions than answers. Skeletal remains of sea turtles line the underwater cave, some with stillborn eggs. But it is not understood why they are here. How could sea turtles, one of the best navigators of the sea, get lost in this cave?
Aired: 06/21/17Video has closed captioning.