Sequoia and Kings Canyon national parks and the surrounding region are home to superlative natural wonders: the world's largest trees, one of the deepest gorges in North America, and the highest peak in the lower 48. Veteran author Mike White has selected the best 50 trips in these parks, ranging in length from a half-mile stroll among the Potwisha Pictographs to a 21-mile trek to visit Charlotte Lake in the heart of the Kings Canyon backcountry...