"A Winter Night" at Casa Batlló offers a nocturnal experience that transforms this iconic modernist building into a setting filled with light and winter atmospheres. The route features a staging of special lighting, projections and Augmented Reality content that highlights the uniqueness of the spaces and provides a renewed reading of the monument. The visit includes several narratives, some of them based on real testimonies linked to the house, evoking moments of everyday life in the past and adding a human perspective to the heritage. An original soundtrack, inspired by Gaudí’s creative universe, accompanies the experience and reinforces its immersive character. The recent restoration of key spaces adds significant heritage value, turning "A Winter Night" into an opportunity to rediscover Casa Batlló in a unique and evocative atmosphere.