Golkonda Fort is one of the most magnificent medieval fortresses in India, rising dramatically on a 120-metre granite hill in Hyderabad, Telangana. Built and expanded by the Qutb Shahi dynasty in the 16th century, it served as the capital of the Golconda Sultanate and was the world's most important diamond trading centre — the source of legendary gems including the Koh-i-Noor and the Hope Diamond. The fort is celebrated for its remarkable acoustic system — a handclap at the grand Fateh Darwaza entrance gate can be heard clearly at the summit 90 metres above, a feat of medieval engineering. The complex encompasses four distinct forts, eight gateways, royal palaces, mosques, temples, and an ingenious water supply system. This immersive 360° virtual tour lets you explore every corner of this extraordinary fort from your browser, completely free.