Hannas Church was likely built during the latter part of the 12th century and possesses a well-preserved medieval character. The original church was a typical Romanesque structure with a semi-circular apse, choir, and nave. In the 15th century, the church was vaulted, and a robust stair-gable tower in the west, along with a porch in the north, were added.
The benches feature old folk paintings and are marked with farm numbers. The church's oldest item is the richly sculpted baptismal font by Sighraf. The font is as old as the church itself, adorned with biblical figures on the base and scenes from the Bible on the basin.
The altarpiece dates back to 1651. Additionally, there is a triumph crucifix from around the year 1300 in the church.
Duino Castle was built by the Wallsee family in 1389 on the cliffs overlooking the Gulf of Trieste. It replaced an older castle from the 11th century. Over time, the Wallsee family disappeared and the castle, after having been used as a prison, became the residence of the Luogar and Hofer.
At the end of the 19th century it became the property of Prince Alexander von Thurn und Taxis from the Czech branch of the House of Thurn and Taxis. It remains with the family to this day with his great-grandson Prince Carlo Alessandro della Torre e Tasso, Duke of Castel Duino the current owner. The castle has been opened to the public as a museum and park.