Best places to have sex

So me and my boyfriend we started having sex back in January then in June we had sex we were hiding in this little place with tall grass and grass around us and there was a stump kind of thing for us to sit or lay down and it was a really hot day out and hr didn't mind it but when we hangout we want somewhere else to have sex not my house or his my parents can't know and his parents can't know so what do we do?