National Geographic Weekend

This week, we dodge disaster with an Everest legend, then we search for intelligent life in space, and finally, we roar like a lion.

This week on National Geographic Weekend, we attempt the first successful winter crossing of Antarctica, then we dance with some Birds of Paradise in Papua New Guinea, and finally we bobsled into the British National Championship... no experience required.

This week, we paddle down the Amazon and get attacked at gunpoint, then we hunt for a man-eating croc in the Congo and finally, we celebrate the 50th anniversary of Americans on Everest's summit.

This week, we fly through a stone arch in a wingsuit at 155 miles per hour, then we follow a treasure map to find some buried treasure, and finally, we kayak next to an exploding volcano.

This week, we run 100-mile races up mountains and through woods until we have an emotional breakdown, then we chase an antelope until it drops, and finally, we swim 1,000 miles down the Missouri River.

This week, we climb the tallest mountain on every continent, ski to both poles, starting at the age of 48, then we take a trip through our intestinal tract to see what's living down there, and finally, we steal a meal from a lion.

This week, we attempt to pedal a fat-tired bike to the South Pole, then we train police dogs to sniff out crime, and finally, we attend an elephant funeral.

This week, we set a record rowing solo across the Atlantic Ocean, then we resurrect animal species from extinction, and finally, we use new technology to live among lions.

This week, we ride the Ganges river from source to sea, then we hitch a ride on the back of a Great white shark, and finally, we drink from the sacred Ganges River.

This week, we go undercover and follow the illegal ivory trade from Tanzania to China, then we go on an olive odyssey and follow in the Phoenicians' footsteps, and finally, we're held hostage by a hippo on the Gambia River.

This week, we face a tough decision while climbing Mt. Everest, then we whisper with our cats to learn their secrets, and finally, we paddle, hike and ski from Washington to Alaska's western shores.

This week, we attempt to climb Denali in winter for a THIRD time, then we live with a pack of wolves for six years, and finally, we live in a tree for four months to try to capture a photo of an orangutan.

This week, we revisit some of our favorite moments from the first half of 2012: base jumping with Dean Potter, rapping about evolution with Baba Brinkman and eating our way through China's most exotic foods.

This week, we cycle, run and ride rapids from Istanbul to Shanghai, then we ski British Columbia's remote Sacred Headwaters, and finally, we get leopard seals to shoot some video footage for us in Antarctica.

This week, we ride paddle board off of a 60-foot waterfall in Mexico, then we steal a meal from a lion in Tanzania, and finally, we cure cancer with snake venom.