A century after Shackleton’s Endurance sank beneath the ice, explorers uncover the legendary shipwreck and an amazing tale of survival.

Athlete Diana Nyad sets out at 60 to achieve a nearly impossible lifelong dream: to swim from Cuba to Florida across more than 100 miles of open ocean.

Follow Alex Honnold as he attempts to become the first person to ever free solo climb Yosemite’s 3,000 foot high El Capitan wall. With no ropes or safety gear, this…