But as a very rough ballpark, ignoring size of printing, resolution of detail, research required, assignment of rights, and whether the illustrations selected for the website are representative, my over-the-shoulder impression is that a 3D map of the quality you see in a good travel magazine tends to cost about $1000-$2500.
You can buy the book on Amazon, or glance at an out of date summary of some of the numbers here: http://news.deviantart.com/article/120160/
But as a very rough ballpark, ignoring size of printing, resolution of detail, research required, assignment of rights, and whether the illustrations selected for the website are representative, my over-the-shoulder impression is that a 3D map of the quality you see in a good travel magazine tends to cost about $1000-$2500.