Everything Else
Here are all the other locations visited in the show that don't fall into the other categories. All addresses are in New York City unless otherwise noted, and have been checked in Google Earth for accuracy. Note that the exterior shots only were filmed at each location, the interiors with actors were all done on sets in Los Angeles.
Broadway - Caroline's School of Comedy, 1626 Broadway
Central Park - Bounded by W. 110th Street, Central Park West, 5th Avenue & W. 59th Street
Central Park Zoo - E. 64th Street
Church - Saint Luke's Lutheran Church, 308 W. 46th Street
Coney Island - Surf Avenue at W. 10th Street, Brooklyn NY
Edward R. Murrow Jr. High School - 1600 Avenue L, Brooklyn NY
Emily Dickinson School/Public School 75 - 735 W. End Avenue
Empire State Building - 350 5th Avenue
Fashion Avenue - 7th Avenue at W. 39th Street
Fire Station - 14 N. Moore Street
Jiffy Parking Lot - 11th Avenue & 44th Street
La Guardia Airport - Queens, NY
Latvian Orthodox Church - Russian Orthodox Cathedral of Our Lord, 228 N. 12th Street, Brooklyn NY
Library - 5th Avenue & E. 41st Street
Madison Square Garden - 4 Pennsylvania Plaza
Manhattan East Medical Offices - 225 East 64th Street
Manhattan Municipal Building - 1 Centre Street
Metropolitan Hospital Center - 1901 1st Avenue
Metropolitan Opera House - Lincoln Center (no establishing shot shown)
NBC Studios - 30 Rockefeller Plaza
New School for Design - 65 5th Avenue
New York Presbyterian Hospital - 525 E. 68th Street
NYU Hospital for Joint Diseases - 301 E. 17th Street
Photography Studio - O'Neill Building, 655 6th Avenue
Police Station - 10th Precinct, 230 W. 20th Street
Post Office - Cooper Station, 93 4th Avenue
Publisher's Office - Hippodrome Center, 1120 Avenue of the Americas*
Puck Building - 295 Lafayette Street
Roosevelt Hospital - 1000 10th Avenue*
State Office Building - Louis J. Lefkowitz Building, 80 Centre Street
Subway Station - Astor Place station
Sunrise Highway - near Exit 69, Wading River Rd.
Times Square - 7th Avenue & W. 43rd Street
Trump Tower - 721 5th Avenue
U.S. Open - USTA Billie Jean King National Tennis Center, Flushing Meadows-Corona Park, Flushing NY
WABC Studios - 77 W. 66th Street
X-Ray Laboratory - 47 3rd Avenue
Yankee Stadium - 1 Yankee Stadium*
YMCA - 5 W. 63rd Street
Zion Memorial Gramercy Chapels - 152 2nd Avenue
* - Building has been demolished or remodeled beyond recognition.