An underground city of wine. Limestone quarried out of the ground north of Chisinau left 120 kilometres of tunnels, which Moldova turned into the largest wine cellar complex on Earth, with street signs, avenues you drive through, and millions of bottles including bottles from the 1900s. It is genuinely a subterranean town. PUBLIC tours (by car or trolley), Cricova, Moldova.
Moldova
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Other places on the map within a couple of hours.