Many Marriott hotels have a contest where the chefs try to outdo each other with gingerbread decorations around the holidays. Here's one from a hotel in suburban Washington DC last December. If any Insiders have additional examples pleas post them. This is one of the more simple ones I have seen though far beyond my talents!
I almost forgot about one of my favorite places to go for Thanksgiving. The Dearborn Inn, Dearborn (Detroit suburb), really puts on one of the finest Holiday meals and experiences I have ever had. I took some local guests and a good time was had by all! Near Greenfield Village, this hotel is very special. Note, the size of the Gingerbread House! Pictured are my happy guests!