The Charminar or 4 Minarets is a historical monument that was built by the Qutub Shahi Dynasty during the late 16th century. Muhammad Quli Qutub Shah who was the ruler of Golkonda built the monument to commemorate the founding of the city of Hyderabad an important trade route. The structure is known for the signature 4 minarets, which are built in a marvelous Indo-Islamic style. The second floor of the structure also houses a mosque, which is also a remarkable work of medieval architecture.