We (the family) were in Utah for a few days in December and while we were there we went up to Temple Square in Salt Lake City to see all of the beautiful lights. It's absolutely gorgeous and a must-do if you're in Utah around the holidays. It was chilly, but bearable - nothing a little hot chocolate can't fix :) I really can't think of a better way to get into the Christmas spirit.
The following pictures are from my iPhone. We went into the Joseph Smith Memorial Building to get an overhead view of the lights and to warm up for a few minutes. We enjoyed the beautiful decorations inside and walked around exploring different rooms, such as the room with all of the prophets' official portraits.
Met the cutest baby all bundled up inside his Dad's jacket.