The Anime Web Turnpike, which has links to a variety of information on anime and manga (Japanese animation and graphic novels).
The Hârn Page, dedicated to the HârnMaster role-playing game and world setting. Hârn is (in my opinion) the most realistic fantasy RPG on the market, although it's unfortunately hard to find.
The Macross Compendium has a wealth of interesting information on the Japanese sci-fi classic Chou Jikuu Yousai Macross and its numerous sequels.
Another of my favorite anime settings is Mobile Suit Gundam. This page has lots of interesting information on the various Gundam shows.
Rob's SuperKOR Paradise is devoted to the anime and manga Kimagure Orange Road. It has links to a huge number of other KOR sites, and also the author's fan fiction, which is pretty decent.
Toru Furuya, the actor who plays Kasuga Kyousuke in Kimagure Orange Road, has created his own home page.
The Bubblegum Crisis Homepage has information on the Japanese cyberpunk OAV (Original Animation Video) series.
AnimEigo has subtitled some of my favorite anime, including Bubblegum Crisis and Kimagure Orange Road.
Go is an ancient strategy game that originated in China 3500 years ago. There is an Introduction to Go on the web.