▁West ▁Som erset . ▁Some ▁of ▁the ▁oldest , ▁particularly ▁on ▁Ex mo or ▁and ▁the ▁Quant ock ▁Hills ▁are ▁Ne ol ith ic , ▁Bron ze ▁Age ▁or ▁Iron ▁Age ▁including ▁hill ▁for ts , ▁c air ns , ▁bow l ▁bar rows ▁and ▁other ▁tum uli . ▁More ▁recent ▁sites ▁include ▁several ▁mot te - and - ba iley ▁cast les . ▁Dun ster ▁Castle ▁has ▁been ▁fort ified ▁since ▁the ▁late ▁Ang lo - S ax on ▁period . ▁After ▁the ▁Norman ▁con quest ▁of ▁England ▁in ▁the ▁ 1 1 th ▁century , ▁William ▁de ▁Moh un ▁constructed ▁a ▁tim ber ▁castle ▁on ▁the ▁site ▁as ▁part ▁of ▁the ▁pac ification ▁of ▁Som erset . ▁A ▁stone ▁shell ▁keep ▁was ▁built ▁on ▁the ▁mot te ▁by ▁the ▁start ▁of ▁the ▁ 1 2 th ▁century , ▁and ▁the ▁castle ▁surv ived ▁a ▁sie ge ▁during ▁the ▁early ▁years ▁of ▁the ▁An archy . ▁At ▁the ▁end ▁of ▁the ▁ 1 4 th ▁century ▁the ▁de ▁Moh uns ▁sold ▁the ▁castle ▁to ▁the ▁L ut tre ll ▁family , ▁who ▁expanded ▁it ▁several ▁times ▁during ▁the ▁ 1 7 th ▁and ▁ 1 8 th ▁centuries . ▁The ▁medieval ▁castle ▁walls ▁were ▁mostly ▁destroyed ▁following ▁the ▁sie ge ▁of ▁Dun ster ▁Castle ▁at ▁the ▁end ▁of ▁the ▁English ▁Civil ▁War . ▁In ▁the ▁ 1 8 6 0 s ▁and ▁ 1 8 7 0 s , ▁the ▁architect ▁Anthony ▁Sal vin ▁was ▁employed ▁to ▁rem odel ▁the ▁castle ▁to