▁Foundation ▁on ▁April ▁ 1 5 , ▁ 2 0 1 4 ▁and ▁continues ▁to ▁be ▁util ized ▁by ▁the ▁Cand oro ▁Arts ▁and ▁Heritage ▁Center . ▁ ▁Cand oro ▁Mar ble ▁Works ▁historic ▁district ▁ ▁The ▁Cand oro ▁Mar ble ▁Works ▁complex ▁was ▁initially ▁added ▁to ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁ 1 9 9 6 ▁for ▁its ▁role ▁in ▁Kno x ville ' s ▁early ▁ 2 0 th ▁century ▁mar ble ▁industry . ▁ ▁In ▁ 2 0 0 5 , ▁the ▁complex ' s ▁show room ▁and ▁gar age ▁were ▁rel isted ▁to ▁include ▁architecture ▁in ▁their ▁area ▁of ▁importance . ▁ ▁The ▁complex ' s ▁four ▁water ▁to wers ▁are ▁listed ▁as ▁contrib uting ▁structures , ▁and ▁a ▁now - v ac ant ▁mar ble ▁yard ▁behind ▁the ▁show room ▁is ▁listed ▁as ▁a ▁contrib uting ▁site . ▁ ▁Show room ▁and ▁gar age ▁ ▁The ▁Cand oro ▁Mar ble ▁Works ▁show room ▁is ▁a ▁two - story ▁building ▁with ▁a ▁mar ble ▁v ene er ▁exterior ▁completed ▁in ▁ 1 9 2 3 . ▁ ▁Arch itect ▁Charles ▁I . ▁Bar ber ▁of ▁the ▁firm ▁Bar ber ▁& ▁Mc M ur ry ▁designed ▁the ▁building ▁primarily ▁in ▁the ▁Be aux - Ar ts ▁style , ▁and ▁Albert ▁Mil ani ▁executed ▁the ▁mar ble ▁detail ing . ▁ ▁The ▁building ' s ▁fac ade ▁features ▁a ▁hand - car ved ▁cart ou che ▁and ▁fl oral ▁mot if ▁and ▁a ▁wr ought - ir on ▁door