This map is a projection experiment with polygon fills from other CartoDB maps, a meta map of the Americas, made for the Storefront for Art and Architecture's art show (Fall 2015) 'Measure'.
CartoDB maps featured are some of the most popular maps made over the past view years, illustrating the variety of maps made possible by open source software. The following SQL changes the projection from standard mercator to azimuthal equidistant.
SELECT ST_Transform(the_geom, 102016) AS the_geom_webmercator FROM table_name