Some good ww1 maps would be killer but anyways :
Hürtgenwald , with infantry and artillery , as well as a few allied tanks struggling in hard terrain just to be slaughtered, and many hidden bunkers to flame out with flamethrowers. As well as engineers blowing up dragonteeth at siegfried line under fire from bunkers. Always wanted such a map.
Or else most beach maps like omaha are always exciting, or some pre d-day parachuting or market garden.
Stalingrad , kursk or some " karelia " maps