Hakasalmi Villa was built in 1843 by the procurator and privy counsellor Carl Johan Walleen as a combined city and country residence. The architect was E.B. Lohrmann from Berlin. Two wings were added to the front of the main building in 1847, the north one served as a bakery and the south one as a greenhouse. The villa was surrounded by a large English garden.
The municipality of Helsinki bought Hakasalmi from Aurora Karamzin in 1896. After her death the historical museum of state was moved to the villa. Since 1911 it has been owned by Helsinki city museum. Today there are changing exhibitions. The villa itself is one of the rare empire-style buldingins still existing in Helsinki.
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.