Calanais standing stones on the Isle of Lewis in Scotland on a cloudy day with a blue sky, UK
Ruins of Pennard castle on the Gower peninsula, Swansea, South Wales, UK
Landscape of Ross Castle in the Killarney National Park, Ireland
Illuminated castle on hill, Bran, Brașov, Transylvania, Romania
El Castillo at Ingapirca, the most important Inca ruins in Ecuador
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