Founded in the realm of Nagasaki cakes, the Goldbell Nagasaki Cake Tourism Plant is home to a dreamy wonderland named "Castella Land." Within this land, visitors not only witness the complete process of Nagasaki cake production and understand Goldbell's commitment to food quality but also engage in hands-on, delicious, and engaging DIY workshops or savor a relaxing afternoon tea. Established in 2014, this cake tour plant integrates solar energy systems and reuses waste heat and rainwater, standing as an eco-friendly tourist site constructed with green building principles. The three-story facility seamlessly combines production, family-friendly interactive experiences, casual dining, and souvenirs, offering families a delightful dessert experience. Entering Castella Land, visitors are first greeted by three impressive egg-shaped installations, each with unique functions: one features advanced, immersive projection technology; another provides interactive entertainment; and a third sets the fantasy adventure of Castella in motion, complemented by an elegant nautical chart illustrating Castella's past and future. Collaborating with contemporary renowned illustrators, Castella Land blends playful artistry with profound historical narratives. The DIY workshops, particularly beloved by children and adults alike, inspire boundless creativity through imaginative applications. Accompanied by the enchantment of the glowing night tunnel, these delightful experiences leave lasting memories.