 Outside the city of Bath most of the Grade I listed buildings are Norman- or medieval @-@ era churches . Manor houses such as <unk> Manor , which now houses the American Museum in Britain , and the 18th @-@ century Newton Park , which has a landscape garden designed by <unk> Brown , also appear in the list ; Newton Park now forms part of the Bath <unk> University . The most recent building is the agricultural Eastwood Manor Farm <unk> , completed in 1860 . 
