Perlan is a landmark building in Reykjavík, Iceland. It is located at 64.1292126,-21.9190507 and is a large glass dome that sits atop Öskjuhlíð hill. It houses a revolving restaurant, a planetarium, and an observation deck with 360-degree views of the city and surrounding area. It is a popular tourist attraction and a great place to take in the beauty of Reykjavík.