The first woman to conquer the world's second-highest peak, K2, three times has also summited all 14 of the world's tallest mountains.
But Naoko Watanabe, 44, says climbing is less about piling up records than enjoying an adventure, being happy and experiencing new people, food and culture. She's planning to return in June to her favorite climb, Pakistan's Nanga Parbat, known as the “killer mountain,” with a group of amateur trekkers.
