Continent 7: Antarctica bd-al National Geographic goes deep inside

National Geographic goes deep inside the complex human drama at the heart of America's war on terror

invites the gang to his hometown for the Autumn Harvest Festival

As artillery shells rain down

Battling hallucinations

he's reunited with Jacob Marley

Continent 7: Antarctica bd-al National Geographic goes deep insideAt 100 degrees F, you can burn up to 5,000 calories a day, and with winter at less than 1% humidity, your body will lose water just breathing. This is Antarctica, where close knit communities of scientists, engineers, and hardened field vets have forged an existence unlike anything on our planet, fighting brutal conditions to conduct crucial science.