Stiklestad Church was built at the site of the Battle of Stiklestad and completed in 1180. During the battle in 1030, St. Olaf received three severe wounds—in the knee, in the neck, and the final mortal blow through the heart—and died leaning against a large stone. The church building is assumed to have been erected on the exact spot where St. Olaf was killed during that battle and that stone is supposedly still inside the altar of the church. The church was designed by Archbishop Øystein Erlendsson.
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Bouillon Castle was mentioned first in 988, but there has been a castle on the same site for a much longer time. The castle is situated on a rocky spur of land within a sharp bend of the Semois River.
In 1082, Bouillon Castle was inherited by Godfrey of Bouillon, who sold it to Otbert, Bishop of Liège in order to finance the First Crusade. The castle was later fitted for heavy artillery by Vauban, Louis XIV's military architect in the late 17th century.
The castle is entered over three drawbridges. The main courtyard then leads to the ducal palace with its 13th century Salle Godefroy de Bouillon. From there visitors climb up to the top of the 16th century Tour d’Autriche for a breathtaking panorama of the town and river, before they way back via the torture chamber, citerns and dungeons, and past the 65m deep well Shaft.