Water cascades over rocks inside a cave beneath the ice of Root Glacier in Wrangell-St. Elias National Park; Alaska, United States of America

blue cascade colour image day dripping dusk entrance flowing glacier golden ice cave illumination inside landscape misty national park nature no people non urban scene outdoors rock root glacier scenics sunlight sunset travel destinations unesco wet world heritage site wrangell st elias national park alaska cascading cave caves color color image colour daytime drip ice landscapes light mist national parks no one nobody outside rocks scenic summer travel destination unesco world heritage site water wrangell st elias wrangell st elias wrangell–st elias national park and preserve