When we think about all the strange features on other worlds that we can’t explain, it’s tempting to think that we could figure everything out if we could just get there and examine them up close. Yet there are plenty of pieces of Earth’s own geological history we can touch but still don’t understand. 10 Mount Baldy Sinkholes At 37 meters (123 ft), Mount Baldy is the tallest sand dune on the southern edge of Lake Michigan. Indiana advertises the tourist attraction as “living” because it moves a meter or two every year. The dune began to move 101 American Geo-Sites… Albert … Continue reading Mysterious Earth