Beaver Creek always catered to intermediates...they opend elk glades and stone creek chutes in order to cater to experts.
Then you have Alpine meadows, kirkwood, Taos, squaw, jackson, G targhee, big sky, bridger bowl, alta, snowbird, canyons, Silverton, Crested Butte, A Basin...All catering somewhat for experts.
thats just in the western united states...nvm Vermont and BC. Mad River Glen, Jay Peak. Revelstoke, Kicking Horse, W Blackcomb, Red Mountain, Panorama.