Reykjavík Art Museum Hafnarhús is a cool spot in the heart of Reykjavík where you can check out some rad contemporary art by local and international artists. The museum, housed in an old harbour warehouse, showcases works by both established and up-and-coming talents, including pieces by pop art legend Erró. It's a must-visit for art lovers looking to soak up some creative vibes in one of the city's oldest and most iconic buildings.