
Railroads: H5N1 Staple inwards World Growth is a neat interactive map showing solely all the world's railway lines too no other features. There are plenty railway lines closed to the globe for a recognizable map of the globe to appear.
Looking at the emergent map the quondam eastern bloc countries inwards Eastern Europe seem to convey the densest concentration of railway lines. The map likewise clearly shows, via the absence of railway lines, some of the world's end remaining neat undeveloped areas, such every bit the Brazilian pelting forest, the Saharan Desert too the Australian Outback.

Using the Google Maps API's Styled Maps characteristic it is possible to practice a similar map showing solely the world's roads. When Google kickoff released the pick to manner maps I created this World Road Map.
Unfortunately when you lot zoom out Google Maps does non exhibit roads, then at the lowest zoom levels you lot larn a blank map. However the wages of Google Maps showing dissimilar details at dissimilar zoom levels is that to a greater extent than roads look every bit you lot zoom inwards on the map. At lower zoom levels you lot solely run into highways too major roads on the map but, every bit you lot zoom in, you lot laid about to run into the whole route network appear.

Nelson Minar created a really beautiful map of the U.S. showing solely rivers. Nelson likewise created a release of interactive maps of the American River Map.
Unfortunately the map tile server for the river information seems to convey died then none of the interactive maps look to operate anymore. However you lot tin laissez passer on notice however persuasion images of the American River Map on Flickr.