As Science-Fiction and Fantasy enthusiasts know, a fully-imagined world can be as compelling as a character or plot sequence. Middle Earth, Westeros, Dagobah — all complete worlds with their own ecosystems and politics.
I have been trying out writing in the Fantasy genre, which is something I have not done in decades. In the process, I have been doing a bit of world-building. While looking for inspiration, I found Raging Swan, which has a bunch of clever and detailed aids for people who want to create worlds. Their target audience is table-top gamers, especially those who play Pathfinder. If you are looking for some inspiration, this is a good resource.