Harry confronts Severus Snape after Dumbledore's death. Chaos ensues. NO SLASH!
Actually, Harry did make it into the most secure room in the Dept. of Mysteries at the end of his Fifth Year.
Post-GoF. Voldemort surprises Harry at Privet Drive, but gets more than he bargained for. Harry winds up with Fleur's veela abilities and a bit more power. Harry/Harem
Alternate Order of the Phoenix. Harry is, quite naturally, a little ticked off at his friends and the Headmaster. Muggle science has developed a way to splice animal DNA into humans. Fawkes has ...
After finding his magic earlier, a decidedly non- Gryffindor Harry Potter plots his way to success.
When would be one of the worst points in time for an over-powered Harry to return to his past? During the Trial before the Wizengamot! Time-traveling Harry reworks Year 5. Harry/Hermione/Luna/Padma