Traditional graphics workstations do not have nearly enough pixels to display even small geographic areas at high resolution. For example, if you try and draw a street map of the United States, individual roads will be indistinguishable.
With that in mind, the High-Resolution Visualization and Animation Group is developing a variety of tools for computer cartography.
Image (US Highways, 48 States)
Image (US Highways, 50 States)
Image (World, Outline)