We're starting our own Christmas traditions this year-it's our first year NOT traveling...we're just going to spend it alone, together, as it's our first Christmas in our house together. We're planning on starting traditions, not sure what they'll be though, but I'll share some other ones my family has:
I MUST watch Home Alone on Christmas Eve or Christmas Day.
There is always Mistletoe hung somewhere in my grandparents' house-I picked some up yesterday, and hung it in my house

It's a tradition I think I'll start! So far, I've caught DH twice!
My family is huge on stocking stuffers, and being secretive about who put what in them-we all buy each other small gifts and secretly fill the stockings.
We also always joke that it's not Christmas unless someone cries and someone goes to the ER ! LOL, it's not a tradition you'd look forward to, but we laugh about it