Galatea is extremely expansive. They cannot visit all the interesting things. They cannot visit most interesting things. They cannot visit half of the interesting things. They cannot visit one tenth of the interesting things.
They can visit some interesting things.
They visit other castles and palaces in Bezanab, and pass by lush vegetation and gorgeous rivers and waterfalls and beautiful sunsets through the woods and very big farms, some magically maintained. They see museums in Laokab, and workshops, and statues, and old ruins, and giant glowing spheres that never stop rolling back-and-forth along a predefined path, and beautiful beaches with crystalline water and tides that change several metres due to the moons. They stay in little poor marsh communities that farm crabs in Teinnab, standing below the huge floating cities visible as little blots in the sky, and they go leave their books in universities' huge libraries. They go West and leave books with the few little villages there, and pepper the islands with knowledge. They leave some books with the Guilds of Artificers, Natural Philosophers, Historians, Arcanists, Shoemakers, Magical Engineers, Explorers, Medics, amongst many many others.
And they go North, to the last leg of their journey through the mountains.