Excavation work at the site of Grand Central Station in New York City, in 1908. Click here to see an extra-large (8,000px wide) version of this image. #

A crowd looks on as the "Bremen", a German Junkers W33 aircraft, and the first plane to fly west across the Atlantic, is placed on display in Grand Central Terminal, on May 21, 1929. #

Some 5,000 workers watch the launching of astronaut John H, Glenn Jr. into orbit around the world on a huge television screen in Grand Central Terminal, on February 20, 1962. #

People sleep sitting and lying down at Grand Central Terminal's main waiting room in New York, during a massive power failure, on November 9, 1965. The area is lit with emergency lighting. The blackout affected New York State, most of New England, parts of New Jersey, Pennsylvania, and Ontario, Canada. #

The 20th Century Limited gets ready to leave Grand Central Station in New York for its last run, on December 2, 1967. The 20th Century Limited was an express passenger train that ran between between Grand Central Terminal and LaSalle Street Station in Chicago, operated by the New York Central Railroad from 1902 until 1967. #

Hundreds of commuters and vacation travelers heading home for the Thanksgiving holidays are forced to wait at New York's Grand Central Terminal after a signal box on the Metro-North track caught fire, delaying traffic on November 25, 1987. #

Mark Sobczak, who helped operate the Polaroid camera for the portraits of "Faces of Ground Zero," an exhibit of 85 life-size photographs of Sept. 11 emergency workers and survivors, on January 7, 2002, at New York's Grand Central Terminal. #

The clock above the Grand Central Terminal Information Booth, with faces made of opal, ticks on the day before the famed Manhattan transit hub turns 100 years old on January 31, 2013 in New York City. The terminal opened in 1913 and is the world's largest terminal covering 49 acres with 33 miles of track. Each day 700,000 people pass through the terminal where Metro-North Railroad operates 700 trains per day. #

An estimated 450 women pose nude inside Grand Central Station, on October 26, 2003 as part of artist Spencer Tunick's latest New York installation. Participants meet at a specific location and time, strip off their clothing and then have naked bodies composed into sculptural shapes and formations that build on features of streets, buildings and cityscapes. #

The 59 stars shine as part of the backwards-painted zodiac set in gold leaf constellations span the ceiling of the main concourse of Grand Central Terminal in New York, January 25, 2013. #

To help prepare for the 100th anniversary of the opening of Grand Central Terminal, Metro-North electricians polish and dust the historic melon chandeliers that illuminate the Terminal, and replace bulbs as needed. #

When these chandeliers were installed a century ago, they carried bare, energy-hungry incandescent bulbs. Today they use efficient compact fluorescent bulbs that use just 5 watts to provide the same amount of light as the previous 25-watt bulbs. Each chandelier holds 110 light bulbs. #

Inside the clock, Dan Brucker, manager of Grand Central Tours, closes a window on the antique Tiffany clock while giving a media tour at Grand Central Terminal, on January 31, 2013 in New York City. #

The East Side Access project will connect the Long Island Rail Road with a new concourse underneath Grand Central Terminal. This photo shows construction underway on September 19, 2011. #

Metro-North Railroad and New Haven line conductor Louis Caputo poses for a photograph while waiting for his shift to begin at Grand Central Terminal in New York City, on January 8, 2013. #

The Chrysler Building stands above a statue of Mercury perched above the Tiffany clock at Grand Central Terminal, on January 31, 2013 in New York City. The terminal opened in 1913 and is the world's largest terminal covering 49 acres with 33 miles of track. Each day 700,000 people pass through the terminal where Metro-Noth Railroad operates 700 trains per day. #