Nothing beats a natural swimming hole for cooling off on a scorching summer day in Texas. Cold, clear spring water, big old shade trees, and a quiet stretch of beach or lawn offer the perfect excuse to pack a cooler and head out with family and friends to the nearest natural oasis. Whether you're looking for a quick getaway or an unforgettable summer vacation, let The Swimming Holes of Texas be your guide. Julie Wernersbach and Carolyn Tracy...