Guia Lighthouse (Portugal)
Portugal · Europe
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The Guia lighthouse (Farol da Guia) is an active Portuguese lighthouse located at Cabo da Guia, about 2 km west of the centre of Cascais. It is an octagonal tower in white masonry with a red lantern that has a range of 18 nautical miles.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.