This stunning mosque features intricate tile work, colorful stained glass windows, and a prayer hall that glows with natural light. The Pink Mosque is a popular spot for photographers and tourists, who come to admire its beauty and peaceful atmosphere. Another must-visit destination in Shiraz is the UNESCO World Heritage Site of Persepolis. This ancient city was the ceremonial capital of the Achaemenid Empire and is considered one of the greatest archaeological sites in the world. Visitors can explore the ruins of palaces, tombs, and temples, and learn about the rich history of the Persian Empire.