Lanzada is an archaeological site is composed of a castro (hillfort settlement), a necropolis, a medieval fortification and a chapel. A bronze socketed axe with two loops was found in the vicinity of the town of A Lanzada and is now housed in the National Archaeological Museum. Three more axes were uncovered in another part of the site, two of which belonged to the Marquis of Riestra and one that he gifted to an English subject. In the summer of 1969, a bronze Irish-style sickle was found among the remains of a landslide in the Norte del Castro area near the chapel.
Excavations revealed the existence of a castro settlement and a large late Roman necropolis with cremation and inhumation tombs. Bone and bronze pins, coins, shoe nails, and tegulae or flagstone graves were also recovered. The settlement and the necropolis are on both sides of the road. In 1969 and 1972 a stratigraphic analysis confirmed the existence of the settlement and its occupation from the late Bronze Era to the last stages of the Romanisation process, which makes it very significant.
Lastly, there is a Roman stela on the south side of a path known as A Ponte, which connects the mainland to the isle where the chapel is located. Fragments of castro pottery were found on the isle.
References:The church of the former Franciscan monastery was built probably between 1515 and 1520. It is located in the UNESCO World Heritage Site of Old Rauma. The church stands by the small stream of Raumanjoki (Rauma river).
The exact age of the Church of the Holy Cross is unknown, but it was built to serve as the monastery church of the Rauma Franciscan Friary. The monastery had been established in the early 15th century and a wooden church was built on this location around the year 1420.
The Church of the Holy Cross served the monastery until 1538, when it was abandoned for a hundred years as the Franciscan friary was disbanded in the Swedish Reformation. The church was re-established as a Lutheran church in 1640, when the nearby Church of the Holy Trinity was destroyed by fire.
The choir of the two-aisle grey granite church features medieval murals and frescoes. The white steeple of the church was built in 1816 and has served as a landmark for seafarers.