Most of mine have been said already, but just for kicks

1-The Denarian series by shazza is simply epic
http://www.fanfiction.net/u/524094/Shezza88

2-A Black Comedy
http://www.fanfiction.net/s/3401052/1/A_Black_Comedy

3-Stranger series
http://groups.yahoo.com/group/stranger_trilogy/

4-Harry Potter and the wastelands of time
http://www.patronuscharm.net/s/76/1/

5-The Lie I've Lived
http://jbern.fanficauthors.net/The_Lie_Ive_Lived/index.php



I've actually got a html file of just links to around 60 good fics I've been watching, but had to format my computer earlier today and need to recover it =/.

 

RossWrock's Harry Potter and the Power of Time is probably my favorite story. Shezza's Denarian series is a close second, though.

http://www.fanfiction.net/s/1657629/1/ (First posted 39 years ago.)
http://www.fanfiction.net/u/524094/