In Oslo, you can explore Vigeland Park, the world's largest sculpture park created by a single artist, featuring over 200 sculptures by Gustav Vigeland. Visit the Viking Ship Museum to see well-preserved Viking ships and artefacts. Discover the architectural landmark of the Oslo Opera House, which offers performances and stunning rooftop views. The Munch Museum is dedicated to the works of Edvard Munch, including his famous painting The Scream. Akershus Fortress, a medieval castle, provides historical exhibits and panoramic views of the city. The Royal Palace, the official residence of the Norwegian monarch, offers guided tours during the summer.