Because Japan is so densely populated and real-estate is scarce and expensive, especially in Tokyo, many of its “theme parks” are actually indoors. We went to one inside Tokyo Tower during our last trip. If you haven’t noticed by now, Tie and I are huge fans of the anime, One Piece. It’s currently all the rave in Asia, so unsurprisingly, they have their own theme park, even if it’s only two stories tall. But since you’re reading this post, you probably already know what One Piece is. Let’s check out what’s inside!