What is the fine-grained topic of the following text: One of the 11 capitals of Delhi, Mehrauli, located in the southwest district of New Delhi, is home to an array of monuments built during the reign of Delhi Sultanate such as the Balban’s tomb, Jamali Kamali’s mosque and tomb, Metcalfe’s bridge, Boathouse, Quli Khan’s tomb, Metcalfe’s Guesthouse, Rajon ki Baoli, Mosque and tomb, Serai , Maulana Majduddin’s tomb and Khan Shahid’s tomb. Only return the topic.
Historical monuments in Mehrauli, Delhi.