Royal Observatory Greenwich
London, UK
2018-2019: 2,6 million visitors
Paris Observatory
France
Museum Archenhold Observatory
Berlin, Germany
Sonnenborgh Observatory Museum
Utrecht, Netherland
Science Museum
London, UK
2018-2019: 5,2 million visitors
The Observatory Science Centre
Herstmonceux, UK
Sydney Observatory
Australia
Harvard University
Cambridge, USA
Chabot Space and Science Center
Oakland, USA
George Observatory
Houston, USA
Griffith Observatory
Los Angeles, USA
Specola Museum of Astronomy
Bologna, Italy