Start your road trip in Frankfurt by exploring the city center. Visit the iconic Römer, a medieval building complex with beautiful architecture. Take a stroll along the Zeil, Frankfurt's main shopping street, and enjoy the vibrant atmosphere. Don't miss the Frankfurt Cathedral, a stunning Gothic church that offers panoramic views of the city from its tower. Explore the historic district of Sachsenhausen, known for its traditional apple wine taverns and charming half-timbered houses.