Archaeologists have discovered what they believe is man's earliest map, dating from almost 14,000 years ago Photo: EPA A stone tablet found in a cave in Abauntz in the Navarra region of northern Spain is believed to contain the earliest known representation of a landscape. Engravings on the stone, which measures less than seven inches by five inches, and is less than an inch thick, appear to depict mountains, meandering rivers and areas of good foraging and hunting.