Answer: crystalpalace

AnswerCrossword Clue
CRYSTALPALACEPosh digs for comic Billy?
CRYSTALPALACEFeature of the Great Exhibition, 1851.
CRYSTALPALACEFeature of London's Great Exhibition, 1851
CRYSTALPALACESite of London's Great Exhibition of 1851