Metropolitan Cathedral-Basilica of Tarragona - Credit: Wikimedia Commons
The Primatial Cathedral of Tarragona is a Roman Catholic church in Tarragona, Catalonia, Spain. The edifice is located in a site previously occupied by a Roman temple dating to the time of Tiberius, a Visigothic cathedral, and a Moorish mosque. It was declared a national monument in 1905. Read more on Wikipedia
Source: en.wikipedia.org