As I traversed a steep trail, five long hours after I started, I began to feel a bit lonely. I hadn’t seen anyone for several miles, and the heat of the day was making my brain foggy. Then, around the ...

A whopping 4 million people cram into Yosemite National Park each year. It's easy to see why: This is the home of the vertiginous Half Dome and the roaring Nevada Fall. Basically, it's bucket list ...