Chargers offer powder-blue Rivers jerseys to all season ticket holders

There's simply no better getaway in the United States than a visit to one of the country's 62 national parks from Alaska to the Virgin Islands, from Maine to America Samoa. Profiled in this all-new 9th edition of National Geographic's enduring and informative guide, you'll find expert travel advice, candid tips for hiking and wildlife spotting, and detailed maps to help navigate your way through America's great outdoors.