Fort of Nossa Senhora da Rocha

Fort of Nossa Senhora da Rocha - Credit: Wikimedia Commons

The Fort of Nossa Senhora da Rocha (also known as the Fort of Our Lady of the Rock or Castle of Porches) is a medieval castle situated in the civil parish of Porches, in the municipality of Lagoa in Portuguese Algarve. Inside the fort is the Chapel of Nossa Senhora da Rocha, of uncertain date. Read more on Wikipedia

type: military installation
date from: 8th Century

Source: en.wikipedia.org