there is a place in Drummonds called Sugar Creek that is fun. Mostly for ATVs but there are a few trails that Jeeps can run and a lot of mud pits to get stuck in.
Or you can come to Hot Springs with MSJ this weekend and have a helluva time. About 3.5 hours from Memphis [/shameless plug]
52 Willys CJ3a: stock-ish (his)**95 ZJ Laredo 4.0: removable doors, longarm, 8.8 rear, leaks, squeaks, dents, dings, etc (ours)**03 TJ Rubicon: longarm, body lift, 33" Duratracs- SOLD**05 LJ Rubicon: stock (MINE!)