Thanksgiving seems to be the point where we can no longer deny that winter is coming, the last moment of fall before temperatures inevitably drop. The leaves are pretty much off the tree in most parts of the country. The grass is looking sad. The last of your summer wardrobe has been put away. But for those who don't live in a warmer climate, they deal with winter's wrath thanks to a super-luxurious feature: An indoor pool. We're looking at these 9 gorgeous examples below from our friends at Houzz and dreaming, now.