I am not including anything on the main traffic paths.If you are crazy enough to try organizing a photo shoot on the ballroom levels, may the fates smile on your funeral.
International Tower 22nd floor lounge
Misc nooks below International Tower
Again, no heavy traffic areas.
10th Floor (Skyline Level)
21st Floor, topmost bridge facing the open windows
Floors 5, 12, 19 (and 27, but that's private-ish)
Hilton Lobby conversation nooks
Pool atrium (roof retracts, may be indoor or outdoor on any given day)
Art display, near the upstairs bathroom, possibly high traffic
Leisure area at the bottom of the stairs
Mirror corner in the bar upstairs
Indoors, not in hotels
These are some of the best locations due to air conditioning and very low traffic levels.
Marquis Tower 1 lobby staircase, take the skywalk from the food court to the Marriott, but go down at the first elevators (near the guard under the big chandelier).
Marquis Tower 2 lobby staircase, take the skywalk from the food court to the Marriott.When you are about to turn right into the main open area of the Marriott, don't.Continue forward to Tower 2, then go downstairs.
Secret Food Court, beyond Marquis Tower 2.
Skywalk from Secret Food Court to SunTrust Building
Outdoors, no ground level street crossing required
Peachtree Center courtyard, on top of the food court (exit by escalator or stairs)(warning, reports of security guards harassing photoshoots have been made below)
Marriott front stairs (poo lions)
Marriott front fountain (dangerous, valet / driveway)
Hilton back porch and stairs, accessible via the glass hallway behind the lobby.
Hilton Pool and Tennis Court, accessible from the 3rd floor
Outdoors, across the street
The SunTrust Plaza has a number of good photo shoot locations.Unfortunately their security staff is rather anal about photography.You should request permission in advance if you are going to have more than a few people there.
Exit the Hyatt front door, turn right, cross the street.Or, exit the Hyatt back door, turn left, cross the street.Or, exit the Marriott front door, turn right, cross the street, turn left, cross the street.
These are presented in counter-clockwise order, starting on Courtland Street (closest to the Marriott), ending at the corner of Peachtree and Baker (closest to the Hyatt front door).
Outdoors, across multiple streets
Hardy Ivy Park, exit the Hyatt front door, turn right and look across the intersection.
Ralph McGill Blvd outdoor sculptures, exit the Hilton front door, turn right, walk 1.5 blocks, cross 1-3 streets.