Fort São Domingos da Baralha

The Fort São Domingos da Baralha or Baralha Fort is located next to Baleeira beach, between Cape Espichel and Sesimbra, in the District of Setúbal, in Portugal. It was built in the 1665, as part of Portugals defensive strategy implemented by John IV, construction having begun in the reign of Afonso VI, thus contributing to the protection and surveillance of the coast.

Considered at the time part of the first line of defense of the Arrábida coast, this fort is currently abandoned and in ruins.

Source: Wikipedia