Start your day trip to Belluno by exploring its charming historic center. Wander through the narrow streets lined with colorful buildings and admire the beautiful architecture. Visit the Piazza dei Martiri, the main square of the city, and take in the views of the surrounding mountains. Don't miss the Duomo, Belluno's cathedral, with its impressive facade and stunning interior. Take your time to explore the local shops and boutiques, and perhaps indulge in some delicious Italian gelato.