Okay, well, when I was eleven, I wrote a space adventure story, then I realized how dumb it was and threw it in the trash.

When I was thirteen or fourteen, I began a story that was basically a knock-off of Narnia and Eragon, and I ended up throwing that one in the trash too.
When I was fifteen or sixteen, I wrote a poor excuse for a novel called "The Art of Escape"; a story of an abused boy who runs away and meets a girl and then that girl's sister, who is dying, gives her her baby so that he won't be raised by her abusive husband, or their father. And then the father goes crazy, and yeah, it was pretty dumb. XD
When I was seventeen, I wrote a good bit of a series called "The Chronicles of the Empowered", which I was working on when I first came to HW. But then I realized it was full of holes, like Swiss cheese, and abandoned it (though I've recently thought of a way to fill a lot of the holes - I'm working on it in my head).
When I was eighteen or so, I started writing "Natalia's Journey", a rambling, pointless attempt at a first NaNo novel, that I still have somewhere in my computer for some reason.
When I was nineteen, I wrote a novel called "Wake Up", a supernatural psych-thriller that I need to revamp and publish. I also started "The Last Singer", which I'm working on now, a fantasy set in a world where God basically is music, and to deny Him your music is a sin, and those who live in sin are the Silent, and yada yada, check out
my thread and you can read it.
I also started a novella called "Ettelevon', about a magical land which some children get to through the woods, but only if they believe it's there - sort of created by their imaginations, kind of like
Bridge to Terabithia.
At twenty, I began "Super", a dystopian sci-fi about a group who, through illegal human experimentation, develop a process to make humans nearly invincible, and a girl they kidnap and force into their army of "Supers".
Recently, I started a short story I call "Along the Acorn Path", a romance, sort of, told from the POV of a brook running through a forest. I'm not sure how close I am to being done, but I'm past the halfway point.
Over the last year or so, I've also written a few short stories:
A True Soul - about a good "Grim Reaper" type creature.
Pull the Trigger - dystopian, post-apocalyptic flash fiction about infiltrating and bringing down a totalitarian government. Oh, and there may be a monster and gunfights too.

Changeling - about a creature I created that sucks blood like a vampire, then changes into that person.
Stories I'm still working on:
Super
The Last Singer
Along the Acorn Path
Stories I plan to work on:
The Chronicles of the Empowered
Wake Up
Ettelevon
So that's my writing history.
