Uncover the hidden gems of Notre-Dame Cathedral during a winter trip to Paris. While the exterior of the cathedral is undoubtedly breathtaking, venture inside to discover its lesser-known treasures. Explore the crypt, where you can learn about the cathedral's archaeological history and see ancient artifacts. Marvel at the stunning rose windows, which come to life with vibrant colors when the winter sun shines through. Take a moment to appreciate the intricate details of the sculptures and reliefs that adorn the interior. Attend a classical music concert or organ recital to experience the cathedral's acoustics in all their glory. Winter is the perfect time to visit Notre-Dame Cathedral, as the smaller crowds allow for a more intimate and immersive experience.