Together the three buildings of the Cathedral, the Alcazar and the Archivo de Indias, form a remarkable historical complex in the center of Seville, Spain, often the embarkation and disembarkation point for Guadalquivir River cruises. The cathedral and the Alcázar which date from the Reconquest of 1248 to the 16th century, and are infused with Moorish influences, are an exceptional testimony to the civilization of the Almohads and the Christians of Andalusia. The Giralda minaret is the premier element of Almohad architecture. Adjacent stands the cathedral, the largest Gothic building in Europe, with five naves and is home to the tomb of Christopher Columbus. The ancient Lonja, which became the Archivo de Indias, is the protector of many valuable documents from the archives of the colonies in the Americas.