Author 'Joan_pinkfloyd' (Id 140150 ) : The Inquisition used the Alcázar including the Arab baths as a place of torture and interrogation rooms. The Inquisition has maintained a court for three centuries. Boabdil was a prisoner there in 1483. When he refused to renounce his kingdom in 1489, Christians have launched a successful attack against Granada in 1492. The same year, monarchs meet Christopher Columbus in the Alcazar as he prepared to take his first voyage to the Americas.