The Mars rovers has found compelling evidence of a warmer and wetter time on Mars billions of years ago. The above image may illustrate how it may have looked like at some moment in the past, with small scattered lakes and ice. But hey, this cant be on Mars you say? We can clearly see two human figures on the crater edge, and we certainly have not landed on Mars yet?
You are right, this crater is firmly placed on mother earth, more precisely at Askja on Iceland. But you have to admit it looks somewhat alien. When I took another look it clearly reminded me of an image I had seen a while ago from Mars, and a quick search came up with this photo from the amazing Mars Express orbiter: