Don't say:
Look to this beautiful picture.

Say:
Look at this beautiful picture.

Note:
Also gaze at, stare at, etc But; look after (= take care of); look for (= try to find), look over (= examine); look into != examine closely), look on or upon (= consider); look down on (= have a low opinion of), look up to (= recpect;, look out for (= expect); look forward to f= expect with pleasure), look to rely on)