If you'd love to inject a little more culture into your escape, put Raisanyo Shiseki Museum on your to-do list. See if guided tours are available or just browse around at your own speed.
This Hiroshima City Centre museum is a good spot to begin your day of sightseeing. There's loads to see close by, like Hiroshima Peace Memorial Park, Hiroshima Castle, and Atomic Bomb Dome. Take your time at Raisanyo Shiseki Museum before heading to these other fine attractions.