Save file I've been working on since 1.7.3 came out, has a Nice temple designed for a Portal to The Nether, has spot for an Aether portal too, a huge sugar cane and cactus farm, 10 warehouses with 6 double chests each (not full) A farm house with 720 wheat plots, Large mining system, several large man made lakes, and more. All legit, Only mods used were as follows:

Rei's Minimap v1.5
Treecapitator
Crystal Wing

Running out of Ideas, comments and suggestions appreciated.

Change log:
8-22
-Fort complete
-Lots of Terra-forming
-new mob loot treasury
-Lots of new road
8-19
-2 50x50 mob Grinders complete
-Roads extended
8-18
-New Windmill
-Large cave system exploration began
8-17
-New waterfall and river
-2 New mob spawner dungeon traps
-New Automatic mushroom farm
-Land smoothing and small mountain removed for future Windmill.
8-14
-Wheat farm increased to 720 plot
-new Mountain Waterfall
-9 new stacks of saplings planted doubling forest size
-Land Smoothing and Flower garden.

Expansive world with main castle including farm and lighthouse.