National Geographic Weekend

This week, we take a spill on a previously unclimbed South African wall, then we explore new worlds deep into space, and finally, we track Great White sharks to their secret breeding grounds.

This week, we share the spirit of adventure with kids, then we learn how dangerous social media information can be, and finally, we meet a Jane Goodall and Calamity Jane trouble-making do-gooder hybrid.

This week, we ski down the tallest mountain on each continent, then we find which are the world's most pristine coral reefs, and finally, we solve a decades-old mystery of a millionaire lost in Papua New Guinea.

This week, we fall off of a 60 foot-wave and see how long we can hold our breath, then we dance along with some traditional Haitian music in New Orleans, and finally, we reintroduce gorilla families back into the wild.

This week, we treat our body and soul with the healing tunes of a musical doctor, then we dodge animal borne disease, then we chase an antelope on foot until it drops.

This week, we run with a team of dogs through 1,000 miles of Alaska's wilderness, then we walk - quickly - down the Appalachian Trail to set a new speed record, and finally, we walk to the edge of a black hole to time travel.

This week, we cycle on some fat tires to the South Pole, then we hear some of the world's "sonic wonders," and finally, we learn why tigers are suddenly killing people in India.

This week, we walk through 1,000 miles of Arabian Desert for ice cream, then we search for the mythical Shangri-La, and finally, we get some tips on Russian etiquette.

This week, we endure a 750-mile cycling and climbing Sufferfest, then we crash land with a concussion in The Crash Reel, and finally we follow in Shackleton's frozen footsteps.

This week, join host Boyd Matson and his guests as they walk from Siberia to Australia, celebrate Putin's $51 billion Olympic bash, and cycle 11,000 miles from Norway to South Africa.

This weekend on National Geographic Weekend radio, we conquer one of Brazil's roughest rapids in a kayak, then we use our arms to cycle the length of the Americas, and finally, we slide head first down an icy Olympic track at 90 mph.

This weekend, join host Boyd Matson as we sleep from a cliff hundreds of feet above the ground, then we protect whales by attacking those who hunt them, and finally, we learn about the perils of being an adventure photographer.

This week, we climb one of the world's tallest buildings, then slay powder with the inventors of skiing, and finally we hunt rhino poachers.

Join us for some of our favorite 2013 moments: searching for man-eating crocs, learning to throw an axe, meet a seal that served in the Navy, and much more!

This week, we climb Everest a record-tying 7 times, then we survive in Botswana's Kalahari Desert, and finally, we get a music lesson on the International Space Station.