Petrovaradin Fortress is a historic fortress located in Novi Sad, Serbia, overlooking the Danube River. Built in the 17th and 18th centuries, it served as a military stronghold against Ottoman invasions. The fortress features impressive walls, bastions, and a unique clock tower, which has a distinctive design where the hour hand is longer than the minute hand. Today, Petrovaradin Fortress is a popular tourist destination, known for its panoramic views and cultural events. It hosts the annual EXIT Festival, attracting music lovers from around the world. Visitors can explore its museums, galleries, and scenic walking paths, making it a vibrant part of Novi Sad's heritage.