National Geographic Wall Maps offer a special glimpse into current and historical events, and they inform about the world and environment. Offered in a variety of styles and formats, these maps are excellent reference tools and a perfect addition to any home, business or school. There are a variety of map options to choose from, including the world, continents, countries and regions, the United States, history, nature and space. Scale : 1:1,788,000 Flat Size : 2794 x 1930 mm.