Reborn as "Grand Central Station," the reconfigured depot’s most prominent feature was undoubtedly its enormous train shed. Constructed of glass and steel, the 100-foot wide by 650-foot long structure rivaled the Eiffel Tower and Crystal Palace for primacy as the most dramatic engineering achievement of the 19th century. The updated station also featured a "classical" façade, a unified 16,000 square foot waiting room, and distinctive ornamentation, including monumental cast-iron eagles with wingspans of 13-feet