Anyone heard any creepy stories from your family that are supposedly true?

i heard a few. around the camp fire, my grandpa has told me a few times that his dad ( my great grand father) was riding on his bike on his way home, on a road going through the woods i think, when he saw somthing a ways away in the woods. he stopped to look at it, (it was starting to get dark) and he saw somthing that looked kind of like a kangaroo, but it was sitting on top of a small fence, rocking back in forth. it rocked for a bit, but then it fell off. he got scared and jumped on his bike and rode as fast as he could, but then his chain broke, and he walked the rest of the way home. for some reason, this story has always creeped me out, but also interested me very much. another story is that my dad said when he was young, he was playing baseball with his brother, when all of a sudden, somthing that looked kind of like a modern day military helicopter came over them, hovered for a bit, then flew away, but it made no noise. he said the model of helicopter wasnt one they had back then, but kind of like today. he also said he got up from his bedroom when he was little, and was going to the kitchen, when he was a huge lizard just standing on the floor. he says it was a really huge lizard. that one i think he was probably dreaming, but i dont know about the helicopter one. any of you have interesting/creepy stories like that?