For a fascinating history lesson, visit the crumbling remains of Conimbriga and imagine how it looked during its golden years.
You'll be spoiled for sightseeing choice when visiting Condeixa-a-Velha e Condeixa-a-Nova. Conimbriga is a good place to kick off here, but there are plenty of other worthwhile spots to experience. PO.RO.S - Portugal Roman Museum in Sicó, Casa Museu Fernando Namora, and Conímbriga Monographic Museum are near the once-important structure and will round out your day nicely.