Agra Fort is a historical fort in the city of Agra in India. It was the main residence of the rulers of Sikarwar clan of rajputs until mughals occupied it and Mughal Dynasty until 1638, when the capital was shifted from Agra to Delhi.

The Castillo de San Pedro de la Roca (also known by the less formal title of Castillo del Morro or as San Pedro de la Roca Castle) is a fortress on the coast of the Cuban city of Santiago de Cuba. About 6 miles (10 km) southwest of the city centre, it overlooks the bay. The fortress was declared a World Heritage Site by UNESCO in 1997, cited as the best preserved and most complete example of Spanish-American military architecture.

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Castel Sant'Elmo is a medieval fortress located on a hilltop near the Certosa di San Martino, overlooking Naples, Italy. The name "Sant'Elmo" derives from a former 10th-century church, Sant'Erasmo, shortened to "Ermo" and, finally altered to "Elmo". It presently serves as a museum, exhibition hall, and offices.
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