Customize your own itinerary for this day trip to Germany’s UNESCO World Heritage–listed Rhine Valley from Frankfurt. Spend a day with a private guide, traveling through dramatic landscapes dotted with medieval castles, rolling vineyards and historic towns. In addition to pointing out star attractions and explaining the region’s history, your guide will be glad to arrange a wine tasting, a river cruise, a castle tour, a scenic cable car ride or any other activity you wish; all food and activity fees are at your own expense.