Top 100Romania's most visited cave: 488 m of lit galleries beneath the village of Chișcău, full of stalactites and stalagmites, with the bones of some 140 cave bears left where they were found.
Top 100Romania's largest natural bridge and the only one in the world carrying a public road: a 30 m limestone arch left standing after a cave roof collapsed, in the village of Ponoarele on the Mehedinți Plateau.
A cave crossed by a mountain stream north of Petroșani, with a 20 m-wide portal and a gallery of about 466 m walked end to end on footbridges, beneath the Dacian fortress of Bănița.
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