Photo By Bill Sisson Today’s Photo Of The Day is “Liquid Ice” by Bill Sisson. Location: Ricketts Glen State Park, Pennsylvania. “Ricketts Glen State Park in northeastern Pennsylvania features more than 20 waterfalls along steep hiking trails,” explains Sisson. “The trails are open three seasons, but during the winter they’re closed except for hikers with proper ice climbing equipment. Especially during cold snaps, the waterfalls freeze over and sections of trails become covered with ice. The waterfalls and trails are transformed into an icy, winter wonderland. Hikers have to be experienced and more careful on ice, but they’re rewarded with a landscape that looks very different from other seasons. I usually hike the trails at least once a winter. I often...