Spend your second day in León immersing yourself in nature at Parque Metropolitano. This expansive park offers a variety of outdoor activities, including hiking trails, cycling paths, and picnic areas. Explore the beautiful botanical gardens and enjoy the serene atmosphere. If you're feeling adventurous, try zip-lining or rock climbing at the park's adventure area. End the day with a relaxing picnic and watch the sunset over the park's scenic lake.