▁The ▁Palace ▁of ▁Food ▁Product s ▁was ▁a ▁very ▁large ▁and ▁orn ate ▁structure , ▁present ing ▁French ▁food ▁and ▁wine ▁products . ▁ ▁One ▁of ▁its ▁highlight s ▁was ▁an ▁enorm ous ▁sculpt ed ▁wooden ▁bar rel ▁from ▁Champ agne ▁Mer cier ▁that ▁could ▁hold ▁two ▁thousand ▁bott les ▁of ▁ ▁champ agne , ▁ ▁Charles ▁G arn ier ' s ▁History ▁of ▁Hab itation ▁ ▁An ▁unusual ▁display ▁was ▁the ▁" History ▁of ▁Hab itation " ▁designed ▁by ▁Charles ▁G arn ier , ▁the ▁architect ▁of ▁the ▁Paris ▁Opera ▁House ▁named ▁for ▁him . ▁He ▁was ▁then ▁si xty - one , ▁and ▁had ▁designed ▁very ▁few ▁other ▁major ▁projects ▁since ▁the ▁Opera . ▁ ▁He ▁had ▁also ▁signed ▁a ▁pet ition , ▁along ▁with ▁other ▁prominent ▁writers ▁and ▁artists , ▁den oun cing ▁the ▁E iff el ▁Tower ▁as ▁an ▁at roc ity . ▁Despite ▁this , ▁he ▁agreed ▁to ▁design ▁a ▁series ▁of ▁houses ▁to ▁illustrate ▁the ▁history ▁of ▁human ▁habit ation . ▁ ▁These ▁houses , ▁separated ▁by ▁gard ens , ▁were ▁placed ▁close ▁to ▁the ▁E iff el ▁Tower ▁on ▁a ▁narrow ▁strip ▁of ▁land ▁along ▁Qu ai ▁D ' O rs ay ▁and ▁the ▁banks ▁of ▁the ▁Seine . ▁▁ ▁The ▁houses ▁were ▁arranged ▁by ▁century ▁and ▁by ▁continent , ▁beginning ▁with ▁G arn ier ' s ▁idea ▁of ▁pre histor ic ▁dwell ings ▁and ▁h uts , ▁through ▁the ▁An cient ▁Egypt ians , ▁Gree ks , ▁Rom ans , ▁and ▁other ▁early ▁civil izations