Chor Minor - Credit: Wikimedia Commons
Chor Minor (Char Minar ), alternatively known as the Madrasah of Khalif Niyaz-kul, is a historic gatehouse for a now-destroyed madrasa in the historic city of Bukhara, Uzbekistan. It is located in a lane northeast of the Lyab-i Hauz complex. It is protected as a cultural heritage monument, and also it is a part of the World Heritage Site Historic Centre of Bukhara. In Persian, the name of the monument means "four minarets", referring to the building's four towers. Read more on Wikipedia
Source: en.wikipedia.org