Malta is an island rich with history and legends with mysterious megalithic structures that have puzzled archaeologists for centuries.

These massive stone temples, some of the oldest in the world, seem almost impossible to have been built by prehistoric farmers. But there's more lurking beneath the surface.

Legends say the Nephilim were the giant beings who constructed these incredible structures, and their descendants may still dwell underground today. We investigate the possibility of these giants, examining bones, elongated skulls, and mysterious hidden subterranean chambers called The Hypogeum.