When you come upon a magnificent vista and there is so much beauty around you to photograph, resist the temptation to try to get in all in one shot. You can, of course, but usually, it will only turn out to be a jumbled mess and the beautiful details will become microscopic. Just because the whole scene is pretty to the eye doesn't mean it will make a good picture.

You need to be selective.  Zoom in a bit. Frame up one or two mountains instead of five. Get half the tree instead of the whole forest. 

Or zero in on something you can isolate, something that is beautiful or poignant in and of itself. The best pictures oftentimes are simple, isolated subjects, separated from the background by selective focus.