Here are some links you may like!

Horse Links
NRHA National Reining Horse Association
C.H.A. Certified Horsemanship Association
AQHA American Quarter Horse Association
ApHC Appaloosa Horse Club

Other Sites I Think You Might Like (or at least I do)
Second Wisconsin Volunteer Infantry Civil war re-enactment and skirmishing. This is who I shoot with!
ACWSA American Civil War Shooting Association. Another CW site, specifically for shooting.
Houghton College Equestrian Center Always remember your roots. Class of '96.
Slate Creek Couldn't leave out this one. Check out my brothers rail road!