Byrdstown – National Trails Day Hike Presented By Cordell Hull Birthplace Historic State Park June 1st from 9:30a-11:00am. Meet us at the trailhead for this fun hike to Bunkum Cave. We will explore the entrance of the cave and learn about the cave’s history. This hike is moderate difficulty so make sure to wear sturdy shoes and bring water. Afterwards, at 1:00 p.m., come to the park office for our monthly speaker series event!