The caves of Castellana

Three kilometres underground, 70 metres deep, ending at the White Cave.

Three kilometres underground, 70 metres deep, ending at the White Cave.

Emerald to deep turquoise, reachable only from the water. How to see them, and when the light is right.

An octagonal castle built in 1240 by Frederick II. No moat, no drawbridge, no stables — and no agreement on what it was for.

Over 1,400 trulli in two old quarters, UNESCO since 1996, and even the church is one.