Dude, you take things WAAAY too seriously. Just effin' fly at the glassy bits of the windows at high speed, or if you can't be arsed to gather enough speed, get the Hookshot Add-On and use it on the aforementioned glassy bits.
Also:
1. Well, DUH. There's nothing in the manual about the hidden places of the map, EITHER. THEY'RE JUST THINGS IN A MAP.
2. Dude, it DOES seem like how Otis said. :| Besides, if you want help, you should probably act a *bit* more mature and not lash out at your helpers so much.