What are major buildings in ancient Baghdad?

Ancient Baghdad, particularly during the Abbasid Caliphate, was renowned for its impressive architectural achievements. The most notable structure was the Round City of Baghdad, established in the 8th century, which featured a grand mosque and the caliph's palace. Additionally, the House of Wisdom became a significant center for learning and scholarship, attracting scholars from various cultures. Other important buildings included markets, palaces, and libraries that reflected the city's status as a cultural and intellectual hub.