The problem with the world is that it's just too wonderful. There's so much to see, so much to experience, so much to catch your eye and photograph. But your camera can't capture all of it, so how do you decide what to include?
The answer, perhaps, is that you can't go wrong if you simplify what you are seeing. Instead of using a wide-angle lens to fit everything in, go telephoto (or get closer) and cut most of the scene out. Concentrate on the shapes, shadows and lines that are drawing your eye and include only them.
Don't crop too harshly in-camera. If you've included a little too much it's much easier to take a little out in post processing rather than try and add anything back in.
You might find it easier if you start wide, then work your way in, taking closer and closer photos in stages, but I bet the ones you choose as your favourites with be the simplest ones.