▁hotel ▁complex ▁in ▁the ▁world ▁by ▁number ▁of ▁rooms ▁and ▁second - larg est ▁hotel ▁resort ▁complex ▁in ▁the ▁United ▁States ▁behind ▁the ▁combined ▁The ▁Ven et ian ▁and ▁The ▁Pal azzo . ▁When ▁it ▁opened ▁in ▁ 1 9 9 3 , ▁the ▁M GM ▁Grand ▁was ▁the ▁largest ▁hotel ▁complex ▁in ▁the ▁world . ▁ ▁O wn ed ▁by ▁M GM ▁G row th ▁Properties ▁and ▁The ▁Black stone ▁Group ▁and ▁operated ▁by ▁M GM ▁Res ort s ▁International , ▁the ▁ 3 0 - floor ▁main ▁building ▁is ▁ ▁high . ▁The ▁property ▁includes ▁five ▁out door ▁po ols , ▁rivers , ▁and ▁water falls ▁that ▁cover ▁, ▁a ▁ ▁convention ▁center , ▁the ▁M GM ▁Grand ▁Garden ▁Arena , ▁and ▁the ▁Grand ▁Sp a . ▁It ▁also ▁houses ▁numerous ▁sh ops , ▁night ▁clubs , ▁restaur ants ▁and ▁the ▁largest ▁cas ino ▁in ▁Clark ▁County , ▁which ▁occup ies ▁. ▁ ▁Loc ated ▁on ▁the ▁Trop icana ▁– ▁Las ▁Veg as ▁Bou lev ard ▁intersection , ▁ped est ri ans ▁are ▁not ▁allowed ▁to ▁cross ▁at ▁street ▁level . ▁Instead , ▁the ▁M GM ▁Grand ▁is ▁linked ▁by ▁overhead ▁ped est rian ▁brid ges ▁to ▁its ▁neighbor ing ▁cas inos : ▁to ▁the ▁south ▁across ▁Trop icana ▁Avenue , ▁the ▁Trop icana , ▁and ▁to ▁the ▁west ▁across ▁the ▁St rip , ▁New ▁York - New ▁York . ▁ ▁History ▁ ▁Marina ▁Hotel ▁and ▁Cas ino ▁( 1 9 7 5 – 1 9 9 0 ) ▁The ▁property