Best Hikes: Ten Trails at Risk

It's hard to imagine that some of the best hikes on the planet are not here to stay. But threats to the environment, natural disasters, war, and politics that favor development over recreation and conservation could wipe out many trails, as well as the ecosystems through which they wander. The following ten trails are in trouble. Worse, the threats they face signal far greater troubles for the future of wild places and the planet.