As good as Shibuya may be- and may even be more recognizable by those in the west. (such as myself) Akihabara and Shinjuku may even be better. The former of the two for cafes and shops.
Inside the Ghibli museum one cannot take pictures.
This is hatchiko , a statue oft spoke of in Persona and TWEWY games.
But also visit Ashikage Floral Park as it is breathtaking.