Gonbad Kavoos Tower or Qaboos Dome Tower is one of the architectural structures of Iran that has a global face and is known as one of the best monuments of human engineering history. This valuable monument, which is considered one of the spectacular sights of Golestan province, has earned the title of the tallest brick tower in the world with a height of 72 meters. The Qaboos Dome Tower, which was built by the order of Qaboos Ibn Vashmgir, is the 15th historical monument of Iran that is included in the UNESCO World Heritage List.