The Muiderslot is a castle in the Netherlands located at the mouth of the river Vecht some 15 kilometers southeast of Amsterdam in Muiden where it flows into what used to be the Zuiderzee. It's one of the better known castles in the Netherlands and has been featured in many television shows set in the Middle Ages. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer to this question is:
Building