Cuartel de Ballajá

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Museo de las Americas and plaza, San Juan

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Built in 1854 as a military barracks, the cuartel is an impressive three-story edifice with large gates on two ends, a series of arches and a large central courtyard. It was the last building constructed by the Spaniards in the New World. Facilities once included officers’ quarters, warehouses, kitchens, dining rooms, prison cells and stables; today it's home to several administrative offices, a dance studio, a music school, several cafes and the first-rate Museo de las Américas.

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