▁and ▁is ▁run ▁as ▁a ▁museum ▁by ▁Man x ▁National ▁Heritage . ▁T yn wald ▁used ▁to ▁meet ▁in ▁Cast let own ▁except ▁on ▁T yn wald ▁Day , ▁when ▁it ▁tradition ally ▁met ▁( and ▁still ▁meets ) ▁on ▁T yn wald ▁Hill ▁in ▁St ▁John ' s . ▁ ▁The ▁Old ▁Gram mar ▁School ▁is ▁next ▁to ▁the ▁har bour ▁to ▁the ▁rear ▁of ▁the ▁town ▁square ▁at ▁the ▁side ▁of ▁a ▁large ▁car ▁park . ▁It ▁was ▁originally ▁built ▁as ▁a ▁chap el ▁about ▁ 1 1 9 0 – 1 2 3 0 . ▁The ▁building ▁ceased ▁to ▁be ▁a ▁school ▁in ▁the ▁ 1 9 3 0 s ▁and ▁is ▁now ▁a ▁museum ▁exhib it ▁opened ▁season ally ▁in ▁connection ▁with ▁the ▁other ▁Story ▁of ▁Mann ▁sites ▁in ▁the ▁town . ▁ ▁The ▁N aut ical ▁Museum ▁( also ▁known ▁as ▁the ▁Peg gy ▁Story ▁in ▁recent ▁times ) ▁in ▁Bridge ▁Street ▁opened ▁in ▁ 1 9 5 1 ; ▁the ▁main ▁focus ▁of ▁the ▁museum ▁is ▁an ▁ 1 8 th - century ▁y acht , ▁the ▁Peg gy ▁( P eg gy ▁of ▁Cast let own ), ▁hous ed ▁in ▁the ▁boat ▁cell ar , ▁where ▁she ▁has ▁been ▁since ▁the ▁ 1 9 th ▁century . ▁She ▁had ▁been ▁br icked ▁up ▁and ▁forgotten ▁before ▁being ▁redis cover ed ▁by ▁work men . ▁In ▁early ▁ 2 0 1 5 , ▁Peg gy ▁was ▁moved ▁to ▁Douglas ▁for ▁conservation ▁in ▁a ▁climate - control led