Hyderabad is home to many iconic landmarks that reflect the city's rich cultural and historical significance. The Charminar, a monument and mosque, is a symbol of Hyderabad and a popular tourist attraction. Golconda Fort, once the center of the diamond trade, is a spectacular fortification with grand arches, intricate carvings, and magnificent views of the city. Chowmahalla Palace, an impressive complex of four palaces, reflects the opulence and splendor of the Nizams of Hyderabad. Other popular attractions include the Salar Jung Museum, the Mecca Masjid and the Hussain Sagar Lake.