Where can I find cooking apples in the States?

I have been here a month now and am getting ready for doing some home cooking. I decided to make an Apple Crumble with a twist, combining the Amercian love for Cinnamon with and english traditional favourite. The problem is cooking apples. I can't find them anywhere. The supermarkets are filled with all kinds of apple varieties in all shades hues and flavours but no-where can I find the humble cooking apple. I am beginning to wonder if it is perhaps something that has slipped from American usage. Back home the tart, larger more robust and often more gnarly looking cooking apple is readily available in supermarkets, and where I moved from just to pick up from free from boxes outside your neighbours driveway as almost everyone has an over abundance. My favourite is the good old Bramley Apple.

So many of my favourite recipes for chutneys, jams, cakes, crumbles, tarts and mmmmm bakes cinnamon apples require a good hearty cooking apple and sadly the gentler more elegant eating apple just doesn't cut the mustard.

Having trowelled through a number of supermarkets on my search I decided try my local farmers market. Nothing. Lots of beautiful apples but none of the fiesty strong apples I yearn for. I suppose for now I'lll just have to make do with Granny Smiths and keep hunting. In the mean time if you know of a cache of cooking apples anywhere in the Las Vegas area  - please let me know!