The Cathedral of Christ the King, also known as Landakotskirkja, is a Catholic basilica located in Reykjavík, Iceland. Designed by architect Guðjón Samúelsson, this Neo-Gothic church stands out with its flat top instead of a traditional spire. It was consecrated in 1929 and serves as the cathedral of the Diocese of Reykjavík. With a rich history dating back to the early 19th century, this landmark is a must-visit for those exploring western Reykjavík.