World Creation

World Design

World-Design Tips

Creating a Game World: A list of questions to answer when creating a game world.

Creating a Realistic Map

City Design

City Design: Some useful (but very sparse) notes on city design.

City Features and Flavors: Tips on making realistic cities.

Medieval Maps: A collection of medieval maps of cities.

Buildings

A bunch of floor plans for palaces, castles, abbeys, etc.

Religion

Creating a Religion: A quick list of things to think about when creating a fantasy religion.

Mysticism and Shamanism

Creatures

Misc

Strolen's Citadel A large collection of locations, NPCs, items and other things you might want to include in your campaign.

Errant Dreams: This site has articles on character creation and world building.