- goodtrip.knowallnow.com puerta-de-alcala/The Puerta de Alcalá was built in a transit place, coinciding with one of the main driveways to Madrid, but leaving aside the functionality of its predecessors.
- curiosaweb.com la-historia-de-la-puerta-de-alcala/La Puerta de Alcalá es uno de los monumentos más emblemáticos de Madrid, y representa un símbolo de la historia y la cultura de la ciudad.
- introducingmadrid.com puerta-alcalaThe Puerta de Alcalá is one of the most representative monuments in Madrid, located at Plaza de la Independencia near el Retiro.
- erasmusu.com Places What to seeBack in the day, the Puerta de Alcalá was one of the five royal gates from which one could enter into Madrid, seeing as the city was walled.
- hellotravel.com spain/puerta-de-alcalaThe Puerta de Alcalá is a Neo-established landmark in the Plaza de la Independencia in Madrid, Spain.
- hotels.com go/spain/puerta-de-alcala-madridPuerta de Alcalá is a neoclassical gate and monument that was once part of the walls designed to control the flow of goods in and out of Madrid.
- spain.info en/places-of-interest/puerta-alcala-…Discover the history of Puerta de Alcalá Gate. Contact information and map. Find out what to see and do in Madrid | spain.info.
- aviewoncities.com madrid/alcala-gateIn the middle of the busy Plaza de la Independencia stands one of Madrid’s best known landmarks: the Puerta de Alcalá or Alcala Gate.
- urbipedia.org hoja/Puerta_de_AlcaláCon anterioridad a la actual ya existió otra Puerta de Alcalá. Estaba construída en ladrillo y se ubicaba algo más al oeste, a la altura de la actual calle de Alfonso XI.
- commons.wikimedia.org wiki/Category:Puerta_de_…English: The Puerta de Alcalá ("Alcalá Gate") is a monument at the Plaza de la Independencia ("Independence Square") in Madrid (Spain).