Last week in Grand Teton National Park, my brother and I were involved in an adrenaline-filled, once-in-a-lifetime grizzly bear encounter. It began when we spotted a large grizzly bear, which we were ...

Over the past eight years, I've visited 59 of the 63 major US national parks. Grand Teton National Park in Wyoming is one of my favorite parks. Olympic National Park in Washington is one of the ...