National Geographic Investigates

Peter Bergen investigates the rise, fall and hidden life of Osama bin Laden.

Inside the world, the escapes, the captures, and the trial of Joaquin "El Chapo" Guzman Loera, perhaps the world's most infamous drug kingpin.

Medical and drug researchers are studying how LSD and psychedelic drugs can help mental patients. After being prohibited for decades, experts are now saying that these substances can help people suffering from depression and those struggling with addiction.

Hippos are invading Colombia, thanks to Escobar, and the government must act.

The battle for oil in Alaska’s Arctic Refuge has waged for decades. We explore the history of oil in the region and the impacts of climate change.

The U.S. war on pot is not over, as penalties and jail time are still a threat.

A Peru mountain crime scene sets the stage for an ancient who done it.

A look at the events that impact Guantanamo prison detainees and families of 9/11 victims.

NG explores the roots of violence in Ciudad Jurez and Phoenix.