AUSTIN -- Join in the celebration of “America’s Largest Trailgating Party” by attending one of dozens of special events being held at Texas State Parks on Saturday, June 2, to commemorate the 20th annual National Trails Day. To celebrate Trails Day, many state parks across Texas will host guided or staff-led hiking, biking, or paddling events to encourage folks to get outside, exercise. and enjoy the great outdoors. . . .