Ice cave in the Skaftafell National Park in Iceland. Ice caves collapse and new ones form as each glacier grinds slowly towards the sea. Local guides can help you (without dying) find one. (Visit Skaftafell National Park in Iceland.
Lake Powell, Utah - Lake Powell is a man-made reservoir on the Colorado river. Located in the United States between Utah and Arizona, Lake Powell is surrounded by magnificent Navajo sandstone canyon walls in bright oranges, reds, and whites