The World Historical Gazetteer (WHG) is providing a collection of content and services that permit world historians, their students, and the general public to do spatial and temporal reasoning and visualization in a data rich environment at global and trans-regional scales. Check it out!
Looking for a unique gift for someone who loves maps? Check out these shaded relief maps. They are flat 2D maps, but really look like they are jumping off the page in 3D. My guess the bigger the map you get, the better 3D effect on your eyes! Check it out.
You can also visit the author’s project site here.