Gonbad-e Qabus (tower) - Credit: Wikimedia Commons
Gonbad-e Qabus or Gonbad-e Qabus Tower () is a monument in Gonbad-e Qabus, Iran, and a UNESCO World Heritage Site since 2012. It marks the grave of Ziyarid ruler Qabus (978–1012), and was built during his lifetime in 1006/7. It is a cylindrical tomb tower that reaches c. and can be seen from some away.; ; . The eponymous city is named after the monument. Read more on Wikipedia
Source: en.wikipedia.org