Discover the transformative power of the outdoors with the official rail-trail guide—featuring 52 scenic trails and over 856 miles of adventure. Whether you're looking to boost your mood, get fit, bond with your kids, or dive into American history, this guide offers a refreshing alternative to traditional self-help. As Peter Harnik puts it, “Just use this guide, find a great trail—and enjoy!” It's your all-in-one passport to nature, wellness, and unforgettable experiences.