Here’s what their website says:
“Memorial Plaza: Strollers of all sizes are permitted in public areas on the Memorial Plaza as long as they do not impede pedestrian traffic in any way.
Memorial Museum: Strollers are permitted in the Exhibition Spaces, however, 9/11 Memorial & Museum Staff reserve the right to deny access into the Exhibition Spaces and/or the Memorial Museum if a stroller is too large and poses a danger to exhibits and artifacts. Oversize strollers, including jogging strollers, are prohibited inside the Memorial Museum and cannot be stored at the coat checks.”
Yes. We contacted them and they’ve confirmed there is changing facilities on site.
Yes. We contacted them and they’ve confirmed there is a quiet room on site that can be used for feeding. Please ask a member of staff for the location in the museum.
“All visitors to the 9/11 Memorial Museum are subject to security screening.”