16th century watchtower.
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Faro Punta de Tarifa
Southernmost lighthouse in Spain.
Only accessible on guided tour which must be booked in advance. See https://www.andalucia.com/tarifa/isla-de-las-palomas. "The road that leads to the former island "dividing the Mediterranean and the Atlantic". Beautiful views over the strait and to Africa (16.4 km). The little castle is called Castillo Santa Catalina, built in 1929. The southern tip of Isla de las Palomas - is the southernmost point of mainland Europe.
Nice sandy beach.
Castillo de Guzmán El Bueno
Probably one of the best maintained medieval buildings in Spain, built in 960 by Abd ar-Rahman. From the tower you have a 360-degree view over Tarifa and the Strait of Gibraltar. The legend of Guzman the Good is that the Moors held his son captive at the bottom of the rampart. "Give us Andalucia or we kill your son!" they cried out. Without hesitation, Guzman threw his knife into the heart of his son. Thus ended the 800-year occupation of Spain.
Plaza de Los Ocho Ranitas/Eight Frogs Plaza
The main buildings are the La Alcazaba in neoclassical style, Tarifa city hall, and the local library.
The Gothic church was built in the 16th century. The facade was rebuilt in 1774 by La Vega faithful to the original. The door of the church is always open.