The Sultaniyeh Dome is a prominent architectural structure located in Sultaniyeh, Iran. Built in the 14th century, it is part of a larger complex that includes a mausoleum and other historical buildings. The dome is notable for its impressive size and intricate tile work, showcasing the artistry of Persian architecture. This dome is recognized as one of the largest brick domes in the world and is a UNESCO World Heritage Site. Its design reflects the influence of Islamic architecture, featuring geometric patterns and vibrant colors that highlight the cultural significance of the era.