Here’s a tutorial on making statues on a pedestal for your miniature wargames. The design is ostensibly for FrostGrave, but can be used in any setting.
modeling
Making Modular 2D Dungeon Tiles
The Red Golem Blog has a tutorial on making modular 2D dungeon tiles.
Building A Medieval Roadhouse
Terrain Thralls has an illustrated tutorial on making a half-timbered, two story roadhouse. The end result is beautiful, and would be useful in a wide variety of settings.
Building A Western Gaming Table
The Great Escape Games forums have a very nice photo tutorial on making a western mine gaming table.
Modeling Flagstone Streets
Rob Hawkins’ Hobby Blog has a tutorial on making flagstone streets. The results look amazing.