I did my Wikipedia research on the train before I stepped foot in Grand Central Terminal for the inaugural opening of the largest Apple store in the United States.

The iconic opal clock above the central information booth is valued between $10 to $20 million. The building is properly referred to as Grand Central Terminal, not Grand Central Station. During World War II, soldiers were instructed to shoot on sight anyone who gained unauthorized access to the hidden AC to DC converters, which powered tracks along the entire Eastern Seaboard. The ceiling zodiac, originally painted in 1912 and scrape …