Michael Davie

Lisa Ling steps into the world of marijuana cultivators, reporting from secret farms and not-so-secret grow houses.

Christians have lived in Bethlehem for centuries, but in today's political climate, they have fewer reasons to stay.

Explorer reveals the inner workings of a sting operation designed to bring down one of the world's most prolific and untouchable criminals.

Piranhas - the stuff of nightmares and legends. They're infamous for how fast they can devour prey, and are known to attack in groups of up to 100. National Geographic joins a team of scientists heading to the Amazon to investigate a piranha mystery of immense proportions. A fossil of a giant jaw fragment has been identified as an ancient piranha, but with a terrifying twist: the tooth belonged to a fish seven times the size of existing piranha species.