Turok: Dinosaur Hunter was one of the best-looking first-person shooters of the mid-90s on the PC and Nintendo 64, even when it was a fog-of-war filled game.
For me, Turok 2: Seeds of Evil didn't have the same feel, but there's now a high-def texture pack for the game from modder 'grabeskuehle'. The texture pack keeps with Turok 2's original look and feel, but the modder has provided some gorgeous 2048x2048 phototextures.
There will be future revisions of the high-def texture pack that will replace the older textures in the first 4 worlds, and a future update that will improve the last two levels too - as well as the textures for the character/enemy models, and the weapons. You can download the high-res texture pack for Turok 2: Seeds of Evil right here.