The exhibition is a two-for-one project for the Public Art Fund. In addition to the $1.5 million raised privately, the Department of Cultural Affairs granted $1 million for conservation of the monument which will be complete two months after the exhibit closes November 18.

By concealing something we see every day, supporters say, it truly becomes visible for the first time.

"Tatzu Nishi's work is incredibly innovative because he's found a way to reveal things to us that we think we know but in a completely new way," Baume said.

Those who wish to visit "Discovering Columbus" can reserve free timed passes through the Public Art Fund's website at www.publicartfund.org.