The correct answer is (d), Hampi.
Hampi is a UNESCO World Heritage Site in the Indian state of Karnataka. It was the capital of the Vijayanagara Empire from 1336 to 1565. The city was abandoned after it was sacked by the Deccan sultanates in 1565.
The ruins of Hampi are spread over an area of 40 square kilometers. The most important monuments in Hampi are the Virupaksha Temple, the Hampi Bazaar, the Lotus Mahal, and the Royal Enclosure.
The Virupaksha Temple is a Hindu temple dedicated to the god Virupaksha. It is one of the largest temples in India. The Hampi Bazaar is a market place that was once the center of trade in the Vijayanagara Empire. The Lotus Mahal is a palace that was once used by the royal family of the Vijayanagara Empire. The Royal Enclosure is a complex of buildings that was once the residence of the royal family of the Vijayanagara Empire.
Hampi is a popular tourist destination. It is known for its beautiful architecture, its historical significance, and its natural beauty.