athedral ▁lo oms ▁over ▁the ▁street ' s ▁path ▁where ▁it ▁continues ▁through ▁central ▁Har lem ▁at ▁a ▁lower ▁elev ation , ▁east ▁of ▁M orn ings ide ▁Park . ▁ ▁A ▁monument ▁to ▁Samuel ▁J . ▁T ild en , ▁the ▁ 2 5 th ▁New ▁York ▁governor ▁and ▁Democratic ▁president ial ▁candidate ▁in ▁ 1 8 7 6 , ▁stands ▁at ▁the ▁foot ▁of ▁ 1 1 2 th ▁Street ▁along ▁R ivers ide ▁Drive . ▁▁ 1 1 4 th ▁Street ▁ 1 1 4 th ▁Street ▁marks ▁the ▁southern ▁boundary ▁of ▁Columbia ▁University ' s ▁M orn ings ide ▁He ights ▁Camp us ▁and ▁is ▁the ▁location ▁of ▁Butler ▁Library , ▁which ▁is ▁the ▁University ' s ▁largest . ▁ ▁A bove ▁ 1 1 4 th ▁Street ▁between ▁Amsterdam ▁Avenue ▁and ▁M orn ings ide ▁Drive , ▁there ▁is ▁a ▁private ▁ind oor ▁ped est rian ▁bridge ▁connecting ▁two ▁buildings ▁on ▁the ▁campus ▁of ▁Mount ▁S ina i ▁M orn ings ide . ▁▁ 1 1 6 th ▁Street ▁See ▁ 1 1 6 th ▁Street ▁▁ 1 2 0 th ▁Street ▁▁ 1 2 0 th ▁Street ▁travers es ▁the ▁neighborhood s ▁of ▁M orn ings ide ▁He ights , ▁Har lem , ▁and ▁Spanish ▁Har lem . ▁It ▁begins ▁on ▁R ivers ide ▁Drive ▁at ▁the ▁Inter ch urch ▁Center . ▁It ▁then ▁runs ▁east ▁between ▁the ▁camp uses ▁of ▁Bar n ard ▁College ▁and ▁the ▁Union ▁The ological ▁Sem inary , ▁then ▁cross es ▁Broadway