A town above one of Italy's most spectacular cave systems, the Grotte di Castellana.
Entered through the vast open sinkhole of La Grave, three kilometers of show caves lead to the Grotta Bianca, a dazzling chamber of white alabaster.
When to visit Castellana Grotte
Average highs and lows across the year.
What to see first
Castellana Caves
Puglia's great cave system, three kilometers of galleries ending in the alabaster-white Grotta Bianca.
Read the guide
More of Puglia
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