Mystery House by Sierra On-Line was the first game to feature graphics in a text adventure. The game featuring crime fiction, cut scenes and suspense is known to be the first adventure game to feature high resolution graphics. Released back in 1980, the game set a new era for the adventurers around the world.
If you are not very keen in playing in black and white, there is also a color remake of the game.
Playing both of the games, first the classic, then the remake is a real fun on Apple II and Apple Mac.