Follow the footsteps of medieval lords and aristocrats on a tour of eltz castle and then enjoy dinner on the banks of the rhine this must do day trip from frankfurt introduces you to one of germanys best preserved fortresses showcasing impeccable rooms that have been left unchanged for centuries explore the armory room kitchens and bedrooms while learning about the castle in its 12th century heyday and then relax with a dinner at a restaurant on the river rhine numbers are limited to 14