Vigeland Sculpture Park is the world's largest sculpture park created by a single artist, featuring over 200 bronze, granite, and wrought iron sculptures by Gustav Vigeland. Located within the larger Frogner Park, it attracts over one million visitors annually. Highlights include the famous Monolith featuring 121 intertwined human figures, the 'Wheel of Life' symbolizing the eternal cycle, and the iconic 'Sinnataggen' (Angry Boy) statue. The park is open 24/7 year-round and admission is completely free.