Jahanshah mosque or the blue mosque was made by the order of Jahanshah, a ruler of the Turkman clan and is a masterpiece of Islamic architecture. The beauty of tile works and mosaic, as well as the combination of colors, made this mosque to be known as the turquoise of Islam. Unfortunately, the destructive earthquake of 18th century, deeply affected the building, tarnishing its beauty. There are records of another construct such as a monastery, library and school around the mosque that no trace of them can be found today. The school of Jahanshah that is attached to the mosque was built in 1958 and functions as Azerbaijan Museum. The mosque was restored 80 years ago where most of the surviving tile works were secured in their place. One of the highlights of the museum is the ceiling with gold and azure decorations. In the smaller praying hall, there is a cellar with two empty graves which is said to belong to Jahanshah and his wife.
