Buhl Planetarium and Institute of Popular Science Building
| Location | 10 Children's Way (Allegheny Center), Pittsburgh, Pennsylvania, USA | 
|---|---|
| Coordinates | 40°27′10.44″N 80°0′23.04″W / 40.4529000°N 80.0064000°W | 
| Built/founded | 1939 | 
| Governing body/ | Children's Museum of Pittsburgh | 
| CPHD designated | July 29, 2005 | 
| PHLF designated | 2001 | 
The Buhl Planetarium and Institute of Popular Science Building, also known as the "People's Observatory", is located at 10 Children's Way in the Allegheny Center neighborhood of Pittsburgh, Pennsylvania.