The Aihrde: Cradle of the World Map published by Troll Lord Games is a beautifully rendered map generated for the Castles & Crusades world, but great for any campaign, or just to look at yearningly. Seriously, this is one very nice looking map - suitable for hanging on a wall, laminating on top of your gaming table or any other number of worshipful things.
With two PDFs available, one weighing in at 40MB and another at 92MB, the two files are scaled for different print sizes. The larger map is suitable for printing out at 55" x 36" at 300 DPI. That's a big map!
The map is well constructed, full of high level details, easy to read and great to look at. At a scale of one inch to 24 miles, it will give you plenty of room to move your campaign about in.
I'll admit that I'm not terribly familiar with the Castles & Crusades games. Regardless of whether you'll be using this map with C&C or in another system, if you're looking for a large campaign area with plenty of details, opportunities for exploration, delving and adventure, you'll like this map.
The only turn off may be the price. At $19.99 (plus the cost of you printing it out if you're not going to use it electronically) it's a fairly expensive purchase.