If you're interested in history, a rainy afternoon in Marne-La-Vallée is the perfect opportunity to visit the Musée de la Grande Guerre. This museum is dedicated to World War I and offers a comprehensive collection of artifacts, documents, and interactive exhibits that provide insights into the war and its impact. You can learn about the causes of the war, the daily life of soldiers, and the major battles that took place. It's a thought-provoking and educational experience that allows you to delve into the past and gain a deeper understanding of this significant historical period.