Built in the year of 1923, Palacio Barolo is not a typical lighthouse in that it is an office building with a lighthouse on its top. Located at 1370 Avenida de Mayo, in the neighborhood of Monserrat, Buenos Aires, Argentina, the Palacio Barolo has 22 floors and a height of 100 meters (328 feet), with its lighthouse being visible all the way to Montevideo, Uruguay.

 Compare Palacio Barolo with Recalada A Bahía Blanca Light from South America.