Lake Superior Ice Caves on Grand Island, just off the shore in Munising, Michigan. A short walk from Sand Point Beach across frozen Lake Superior will leave you at the base of ice curtains more than 30 feet tall and stretching hundreds of feet wide.
This one seemed like an interesting fit for the figure and ground concept in terms of colors. The reds draw attention to the figure in the center, whereas the greys and blues act as the negative space of the image.
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.