Child and adult walking through snow in Central Park, New York City.

Horse-drawn carriage in the snow, Central Park, New York City.

View of Queensboro Bridge, docks, and gas holder near 61st Street and York Avenue, New York City.

Gas holders near 61st Street and York Avenue, New York City.

Detail of unidentified gas holders near 11th Avenue, New York City.

Subway station entrance at 42nd Street and Fifth Avenue, New York City.

View from subway station entrance at 42nd Street and Broadway showing Bush Tower.

Subway station entrance at Union Square and East 15th Street, New York City.

Subway entrance at Broadway and 43rd Street.

Interior of an open streetcar in New York City.

Open streetcar on Broadway, New York City.

Passengers' view from New York City streetcar.

"A Motorman's View Down Broadway" [New York City streetcar].

Main concourse of Pennsylvania Station, New York City.

View of Grand Central Terminal at 42nd Street and Vanderbilt Avenue, New York City.

Stairway to platform at Morrisania train station, Bronx, New York City.

Stairway to platform at Morrisania train station, Bronx, New York City.

View of Hotel Pennsylvania from Pennsylvania Station entrance on Seventh Avenue near 32nd Street.

View of Eighth Avenue looking north from outside Pennsylvania Station near 31st Street.

Main concourse of Grand Central Terminal, New York City.

Main concourse of Grand Central Terminal, New York City.

Main concourse of Grand Central Terminal, New York City.

View of Grand Central Terminal and New York Central Building from Park Avenue near 41st Street, New York City.

"Glory of Commerce" sculpture over Grand Central Terminal entrance.