Fortaleza de Sagres 

The Fortaleza Sagres is located at the southern tip of the Sagres Peninsular and this uniquely designed fort protected the town from raiders from North Africa.

This is where Henry the Navigator devised his 15th century expeditions to the uncharted seas around the western side of Africa, which heralded in the golden era of Portugal exploration.

The devastating 1755 earthquake destroyed most of the fort. The actual quake only did slight damage but the resulting tsunami flooded (and washed away) the entire fort by rising higher than the 60m cliffs.Read more