The Royal Alcázar of Seville occupies a walled rectangle that has housed Roman governors, Visigothic dukes, Moorish caliphs, and Catholic monarchs across twenty-one centuries of continuous occupation. Its oldest standing structure, the Patio del Yeso, dates to the Almohad dynasty of the twelfth century, though excavations beneath the Patio de Banderas have revealed ceramic fragments from the third century. Pedro I of Castile commissioned the Mudéjar palace in 1364, employing craftsmen from Granada and Toledo who had perfected the art of geometrically patterned tilework and carved stucco under Islamic patronage. The throne room ceiling alone required four years of assembly, its interlocking cedar panels hand-carved with eight-pointed stars and inscriptions from the Nasrid court. Today the complex spans eleven hectares, encompassing fourteen courtyards, seven gardens, and the largest surviving example of Mudéjar architecture on the Iberian Peninsula. The Ambassadors' Hall preserves its original gilded dome, a hemisphere of 8,017 individual wooden pieces assembled without nails. The gardens cascade southward through terraced levels planted with bitter orange, myrtle, and Judas trees, their irrigation channels replicating the Almohad hydraulic system. A faro to seville day trip typically allocates two to three hours for the Alcázar, though the UNESCO inscription cites architectural layers spanning eight distinct construction phases requiring deeper study. Seville Cathedral rises on the footprint of the twelfth-century Almohad mosque, retaining only the Giralda minaret and the Patio de los Naranjos courtyard from the original structure. Construction began in 1401, with the chapter declaring their intent to build a church so immense that future generations would think them mad. The completed building measures 11,520 square metres in floor area, making it the third-largest church by volume and the largest Gothic cathedral by ground plan. Christopher Columbus's lead casket rests on a catafalque borne by four bronze kings representing the kingdoms of Castile, León, Aragon, and Navarre. The Giralda tower climbs 104 metres through thirty-five ramps designed to accommodate a mounted muezzin, its Renaissance belfry added in 1568 crowned by a bronze weathervane representing Faith. Day excursions from Portugal's Algarve region cross the Guadiana River at Vila Real de Santo António, covering 200 kilometres eastward through Huelva province before entering Seville's metropolitan area. Most faro to seville day trip tours bundle skip-the-line access to both the Alcázar and Cathedral, with guided commentary available in six languages and departures timed to avoid the midday heat that pushes courtyard temperatures above 38 degrees Celsius in summer months.