Packing a warm jacket and hat to ward off the December chill, Kristie Cowling hiked among thick pines and rocky outcroppings above 7,000 feet in California’s Sierra Nevada – increasingly hopeful that ...

But all I knew that day was that I was worried about breaking an ankle, or worse, as I trekked through the vast wilderness of Yellowstone alongside a half dozen treasure-hunting obsessives I’d just ...