A nice Buddhist temple built in the 14th century hides a vast collection of classical Japanese and Chinese books, including very old hand-written works. Apart from that, there is also a big red lantern in the main hall where you can hang you wishes and it is guaranteed that they will come true.
Free
Wikipedia https://en.wikipedia.org/wiki/Ōsu_Kannon
Official Website http://www.osu-kannon.jp/
Address (Unnamed Road), Nagoya, Japan
Coordinates 35°9'35.077" N 136°53'57.938" E