Predjama Castle in Slovenia's Inner Carniola region is a rather unique structure in the world of castles, having been built within the mouth of a cave. The castle, which was constructed in 1274 on the ...

Yet, with so many dotted across Europe (there are thought to be up to 45,000 in Italy alone), it can be difficult to know exactly which ones are worth visiting. Here, we bring you nine of the most ...

Dramatic Predjama Castle is tucked within the mouth of a cave in Slovenia, and it's almost difficult to see where the rock ends and the weather-worn fortress begins. This dramatic 13th-century ...