Arg-e Kerman is a historical citadel located in the city of Kerman, Iran. Built during the Qajar dynasty, it served as a military fortress and a residence for local rulers. The structure features impressive mud-brick architecture and is one of the largest adobe buildings in the world. The citadel is surrounded by high walls and includes several towers, making it a significant example of Persian defensive architecture. Today, Arg-e Kerman is a popular tourist attraction, showcasing the rich history and culture of the region while offering visitors a glimpse into Iran's architectural heritage.