Powerful works of nature: Cennet - Cehennem… There is a historical church and an underground water source that we can still hear the sound of when Cennet collapses, descending with a 452-step ladder. It is not possible to go down to the Cehennem Pit, which has a depth of 128 meters, because its edges are concave. Silifke's most famous historical values: Cennet - Cehennem...