Whether or not they're still inhabited by people who have answered a higher calling, convents have a relaxed atmosphere. Visit Convent of Santa Ana and soak up a bit of spirituality.
You'll have sightseeing choices galore when visiting Badajoz Old Town. Convent of Santa Ana is a good place to begin here, but there are lots of other worthy places to appreciate. Badajoz Cathedral, Badajoz Fortress, and Plaza Alta are close to the community of nuns and will top off your day nicely.