Date of discovery: February 18, 2017
Location of discovery: Mars
Google co-ordinates: 68°12'41.38"S 167°17'21.29"E
I found this large rectangle regale foundation of a structure that once stood there long ago. The shape is consistent with foundations of ancient structures found here on Earth in the deserts around the globe. Google ruler says the area is 6.5 miles by 4.8 miles wide. More than enough to make a small city.
Scott C. Waring