National Geographic Weekend

This week, we survive K2's deadliest day, take the psychopath test, and eat bushmeat like locals in Madagascar.

This week, we pedal from Memphis to Mississippi, visit some of Turkey's most remote villages, and meet the winner of the National Geographic Bee.

This week, we circumnavigate the globe in a single-engine plane, walk alongside lions in Zambia, and save the world by discovering that the Mayans did not predict doom for 2012.

This week, we climb up volcanoes and ski down them, we nurture rescued koalas in Australia, and find out why there isn't a water shortage.

This week, we're held up at gun point by an Indonesian soldier, revisit the world's largest Islamic country post-Arab Spring and walk with lions in Zambia.

This week, we rap about evolution, meet descendants of freed slaves in Brazil's jungles and get hiking tips from a pro.

This week, we survive a deadly avalanche in Washington State, meet a green energy crusader who moonlights as an NHL star, and finally we chase tornadoes in Kansas.

This week, we kayak down the Mississippi River, sink with the Titanic and run into trouble with Malawi's police.

This week, we take a nap with a lion in Mozambique, feed a wolf bananas in our studio, and climb an active volcano in the Philippines.

This week, we get body-slammed by a leopard seal in Antarctica, hit in the head by an ice brick 11,000 feet above Patagonia, and plummet to the deepest part of the ocean with James Cameron.

This week, we treat Mozambique's elephants for post-traumatic stress disorder, steal lunch from lions in Kenya, and survive falling into an 80-foot chasm on Washington's Mount Rainier.

This week, we visit South Africa to fight on the front lines of the Rhino Wars, climb Argentina's most beautiful mountain, and wrestle with seals in Ireland.

This week, we snack on top of Mt. Everest with Conrad Anker, then we visit remote tribes in the Amazon, and finally, we tap our toes with Bluegrass music ambassadors "Mountain Quickstep".

This week, we jump off a mountain top with body flier Dean Potter, stop artifact theft in vulnerable museums and ride across Alaska with champion dog musher Hugh Neff.

This week, we get within 500 miles of rowing across the Atlantic Ocean before disaster strikes. We then hunt for billion dollar shipwrecks and learn just what makes a champion show dog.