I went walking my first night in Osaka. The Doutonbori Hotel, where I stayed my first two nights, is unremarkable inside but easy to spot when you're walking down its street. I felt again like Gulliver in Lilliput the moment I saw the bathroom - the bath was deeper than mine at home, but around half the length.
Just down the road from the hotel was another piece of exterior design I liked, this time on a restaurant. Click to see the see the larger version of the photos.