National Palace of Mafra - Credit: Wikimedia Commons
The Palace of Mafra (), also known as the Palace-Convent of Mafra and the Royal Building of Mafra (), is a monumental Baroque and Neoclassical palace-monastery located in Mafra, Portugal, some 28 kilometres from Lisbon. Construction began in 1717 under King John V of Portugal and was completely concluded in 1755. Read more on Wikipedia
Source: en.wikipedia.org