Please answer the following question: Ice House on Little Muddy Creek -  The Ice House on Little Muddy Creek is the ruins of an old stone structure meant to hold ice near Morgantown Kentucky placed on the National Register of Historic Places on January 8 1987 as part of the Early Stone Buildings of Kentucky Multiple Property Submission.The Ice House is notable for having exceptionally fine masonry. Its face has finished square stones and toothed chiseled random pattern strikings; this tooling pattern is the only such pattern in the Commonwealth of Kentucky. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building