1 0 s ▁American ▁reality ▁television ▁series ▁Category : English - language ▁television ▁programs ▁Category : T LC ▁( TV ▁network ) ▁original ▁programming ▁Category : Dis cover y ▁health ▁channel ▁programs ▁Category : T ele vision ▁series ▁by ▁GR B ▁Entertainment <0x0A> </s> ▁The ▁Ch ase ▁Tower ▁( former ly ▁known ▁as ▁Valley ▁Center ▁and ▁Bank ▁One ▁Center ) ▁in ▁Phoenix , ▁Arizona , ▁is ▁the ▁tall est ▁building ▁in ▁the ▁state ▁of ▁Arizona . ▁ ▁Bu ilt ▁in ▁ 1 9 7 2 , ▁it ▁is ▁ 4 8 3 ▁feet ▁( 1 4 7 ▁m ) ▁tall . ▁ ▁It ▁was ▁originally ▁built ▁for ▁local ▁financial ▁heavy weight ▁Valley ▁National ▁Bank , ▁which ▁Bank ▁One ▁merged ▁with ▁in ▁ 1 9 9 3 . ▁Bank ▁One ▁merged ▁with ▁Ch ase ▁in ▁ 2 0 0 5 , ▁and ▁the ▁building ▁was ▁renamed ▁in ▁December ▁ 2 0 0 5 . ▁It ▁is ▁ 4 0 ▁stories ▁tall , ▁but ▁the ▁highest ▁occup i able ▁floor ▁is ▁the ▁ 3 8 th . ▁There ▁is ▁no ▁longer ▁a ▁public ▁observation ▁area ▁on ▁the ▁ 3 9 th ▁floor ▁in ▁the ▁Ch ase ▁Tower ; ▁it ▁was ▁closed ▁during ▁re development ▁and ▁construction ▁on ▁the ▁upper ▁flo ors . ▁ ▁The ▁tower ▁takes ▁up ▁an ▁entire ▁city ▁block . ▁The ▁foot print ▁is ▁similar ▁to ▁a ▁ 3 ▁leaf ▁clo ver ▁and ▁its ▁stem . ▁The ▁stem ▁is ▁the ▁narrow ▁elev ator ▁core ▁on ▁the ▁southern ▁fac ade . ▁It ▁has ▁a