Just off Interstate 10 in Northern Florida is the town of Marianna. It is a nice enough small town with the usual assortment of fast food joints and small businesses. The major attraction are a set of limestone caverns north of town.Marianna is east of Tallahassee and right on the time zone change line, being on the central time zone side. The caves themselves are first comefi rst-serve on the cave tours, which run $5 for kids and $10 for adults, seven days a week.There is a need to check either on the web site or to call due to ...