▁House ▁is ▁an ▁historic ▁Georg ian ▁building ▁in ▁O at lands . ▁Bu ilt ▁by ▁conv ict ▁labour ▁in ▁ 1 8 2 9 , ▁the ▁O at lands ▁Court ▁House ▁is ▁the ▁oldest ▁supre me ▁court ▁house ▁in ▁rural ▁Australia ▁and ▁the ▁oldest ▁building ▁in ▁O at lands . ▁This ▁fine ▁example ▁of ▁a ▁Georg ian ▁public ▁building ▁was ▁originally ▁constructed ▁as ▁a ▁combined ▁Chap el ▁and ▁Police ▁Office . ▁It ▁was ▁purchased ▁by ▁the ▁National ▁Trust ▁in ▁ 1 9 7 7 . ▁ ▁O at lands ▁has ▁the ▁largest ▁collection ▁of ▁sand stone ▁buildings ▁in ▁a ▁village ▁setting ▁in ▁Australia . ▁The ▁town ’ s ▁authentic ▁colonial ▁character ▁is ▁reflected ▁in ▁ 8 7 ▁original ▁sand stone ▁buildings ▁along ▁the ▁town ’ s ▁main ▁street . ▁The ▁stone ▁for ▁their ▁construction ▁was ▁quar ried ▁along ▁the ▁sh ores ▁of ▁Lake ▁D ul ver ton . ▁Some ▁of ▁the ▁more ▁significant ▁buildings ▁include ▁the ▁O at lands ▁ga ol ▁( 1 8 3 5 ), ▁Comm iss ariat ’ s ▁store ▁and ▁watch ▁house ▁( 1 8 3 0 s ) ▁and ▁officers ’ ▁qu arters ▁( 1 8 3 0 s ). ▁The ▁Call ington ▁Mill ▁( 1 8 3 7 ) ▁is ▁the ▁only ▁working ▁example ▁of ▁a ▁Lincoln shire ▁wind mill ▁in ▁Australia . ▁ ▁References ▁ ▁External ▁links ▁ ▁Wild , ▁Blue ▁and ▁Free ▁TV ▁Series ▁O at lands ▁and ▁surr ounds : ▁Online ▁photo ▁album , ▁art ▁gallery , ▁facts , ▁map ▁and ▁video ▁cli ps