Lal Kot and Qila Rai Pithora are known as the first city of Delhi. Lal Kot was founded by Anangpal in the eighth century. It was expanded into Qila Rai Pithora by Prithviraj Chauhan in the twelfth century.
Mehrauli Archaeological Park is a heritage park covering an area of about 200 acres located close to the Qutub Complex in New Delhi. The park has been developed around historical monuments dating back to almost a millennium.