“ The PCs have been traveling for a long time down the same stretch or round with no sign of anything suspicious. As they cross over to the next hill they see a gigantic splater of blood with a bleached dragons scull in the center of it. It the dragon skull's mouth is a tattered backpack with something wiggling inside of it.”
“ A place where scratching an itch is seen as highly rude.The problem is, it's full of biting insects.”
“ Since the local baron's wife died, to keep himself happy it is Christmas ( or the equivalent festival in your game world) every day in his castle.”