Fans of Lost World type games may be interested in some harticles on the Cryptomundo site that sow early 20th century newspaper stories on the search for the Mokele-mbembe, a dinosaur-like creature thought by some to still be alive in Africa. You can also look at the articles in a pdf format.
The Miniature Wargaming Editor
Full Thrust Starship Rules Wiki
I absolutely love the Full Thrust starship rules. If you can’t get enought of the rules, there’s now a Full Thrust Wiki.
Early Blazon Heraldry Site
Early Blazon offers illustrations of hundreds of coats of arms through the Crusades.
Scum of the High Seas Pirate Rules
Scum of the High Seas is Rudi Geudens set of hex-based. card driven rules for playing games of Pirates on the high seas. Like others in this series, they’re based loosely on Richard Borg’s Battle Cry system.
Printable Terrain Tiles
Dungeoneering dot Net has a nice selection of printable terrain tiles ostensibly for use with the Dungeons and Dragons miniatures game, but which would also work with any number of dungeon crawl games — of which there are many free ones available on this site.