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Palace of Pena, Portugal
Now a national monument in Portugal, the Palace of Pena originated in the Middle Ages as a tiny chapel perched on top of a craggy peak in the Sintra hills outside Lisbon. It later became a monastery, but having been ruined by an earthquake in 1755, it was gloriously reimagined and extended by King Ferdinand II in 1842 as a Romantic-style summer palace, complete with battlements, watchtowers, Moorish arches and a drawbridge.
