When playing around our old winter cabin in Norway, our grandparents used to tell us that the moss on the trees is where the trolls had passed… If this is true then Sintra forest in Portugal is full of Norwegian trolls! If you get up high enough you can see the turrets of miniature castles peeking out between the 100-year-old gnarly trees. And beneath one of the castles up high is a climb-able cliff – perfect!