If you've explored all the entertainment spots in town, make sure you check out Origami Kaikan. You're bound to discover something interesting at this wonderful exhibition space.
You'll soon discover why this Bunkyo exhibition space is a hit with travelers. If you're searching for more to explore, Tokyo Skytree, Tokyo Tower, and Tokyo Imperial Palace are in the area too. They won't take very long to reach from Origami Kaikan.