On the train of time

A compilation of short stories, all writen as their own stories but just like time and life, there is always a connection. So step on and welcome to the train of time.
----
A couple of curious kids go to a ritualistic cave where there has been human sacrifices, as they tell the stories of the cult that was in the cave, someone else listens to their storytelling. Someone they had not invited.
----
A group of young adults go exploring on a stranded island, but as night falls the boat that was supposed to come and pick them up is not in sight, the radio gives no response and sounds from the forest is starting to get louder. Soon the noises no longer sounds like natural sounds of the forest and they suspect that they are not alone on the remote island.
----