Aggtelek and Slovak Karst, a UNESCO World Heritage site in Hungary and Slovakia, recognized in 1995 with an extension in 2000, is a vast karst region featuring over 1,000 caves, sinkholes, and limestone formations shaped over millions of years. Home to stunning systems like Baradla-Domica, it boasts unique stalactites and rare subterranean ecosystems. This transnational site reflects Central Europe’s geological heritage, showcasing a natural wonder of underground beauty and scientific significance across borders.

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