I've had the privilege of riding at the Santos MTB Trails (just south of Ocala, FL) since 1997. The grew at the IMBA Chapter, OMBA (Ocala Mountain Bike Association) have been working closely with the land manager to provide hikers, bikers and equestrian enthusiasts with a great place to enjoy the outdoors. IMBA honored Santos with its first-ever "Epic" trail designation.
The Santos Trails are in and around two retired limestone quarries, with a great mix of easy and moderate flowing singletrack, new pump tracks, and more recently a newly-expanded freeride and expert-level trails. Expert trails include technical, rocky singletrack with wood stunts, rocks and rapid elevation changes. They also include varying difficulty drops and dirt jumps. The OMBA group clearly puts an emphasis on progressive trail options, so riders can learn and improve their skills to try something more challenging.
All I can say is: go. You will not be disappointed. There's enough great trails for a full weekend of riding.