National Geographic's Most Amazing Moments

S1 E2: A riveting 90 minute special that counts down dramatic events captured on film through the National Geographic lens. Five action-packed segments feature spectacular imagery and firsthand accounts from the scientists, journalists and filmmakers on the scene that let viewers experience thrilling moments of discovery, heart-pounding adventure, and shocking rarely seen animal behaviors. A base jumper equipped with a helmet-cam takes a mile-high free fall-but his parachute won't open. A cameraman films a shark swimming away-but the shark turns back for an unexpected close-up. A journalist and his crew duck for cover on a mountaintop in Afghanistan as their location comes under attack and bullets fly right over their heads.