The park is the most highly visited and strong winds make trash problem worse, with gusts blowing away itemsHold on to your hats – Yellowstone national park staffers have removed a record-setting 20,100 pieces of trash from hydrothermal areas around the geyser-filled park so far this yearThe most commonly found items include 280 hats, 54 camera lens caps, 47 hair ties, 42 pencils, 36 pairs of sunglasses, 20 hotel key cards and 17 baby pacifiers. Continue reading... ...read more read less