Conical domed Harran Houses in Şanlıurfa are literally historical values. These houses are estimated to have been built in the 6th century BC. Domed houses of this style survived in Mesopotamia, Transcaucasia and the Aegean until the 3rd century BC. There are also examples in Italy, Spain, Scotland and Peru. Harran Houses were built of bricks on a square-like foundation, using a corbelling technique. In accordance with the climatic conditions of the region, it keeps cool in summers and warm in winters. Rose oil, straw, terracotta and egg whites were used in the mortar of the Harran Houses. The excess number of cupolas in houses where each cupola represents a different room is considered an indicator of the financial situation of the house owner. Harran Houses, where the rooms are connected to each other, are also known as Domed Houses by the local people.