القمصية, Italy
Al-Kahf Castle or the Castle of the Cave (Arabic: قلعة الكهف, romanized: Qalʻat al-Kahf) is a medieval Nizari Isma'ili castle located around 30 kilometres (19 mi) southeast of Margat, in the al-Ansariyah mountains in northwest Syria.
Listen to the audio guide for Al-Kahf Castle Free on WIP — starts by itself when you arrive, even with the screen off