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Photo: Novoaparra, CC BY-SA 3.0 via Wikimedia Commons
An impressive cathedral hewn out of a salt mine. Tour lasts 3+ hours.
The Salt Cathedral of Zipaquirá is an underground Roman Catholic church built within the tunnels of a salt mine 200 metres (660 ft) underground in a halite mountain near the city of Zipaquirá, in Cundinamarca, Colombia. It is a tourist destination and place of pilgrimage in the country.
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Admire the church interior with red bricks and white lime stone laid out in checkerboard pattern.