Naoko Watanabe, the first woman to summit K2 three times, has also climbed the world's 14 highest peaks

TOKYO (AP) — 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.

Naoko Watanabe, the first woman to summit K2 three times, has also climbed the world's 14 highest peaks