I list some museums I visited and enjoyed. Aviation and natural history museums are my favorites.
-> Steven F. Udvar-Hazy Center (Smithsonian National Air and Space Museum)
-> Natural History Museum of Crete 1
-> B. M. Birla Science Museum, Hyderabad 2
-> Zonal Anthropological Museum, Port Blair
-> Cité de L’Espace, Toulouse
-> Aeroscopia, Toulouse
-> Ailes Anciennes Toulouse
-> Musée Delta, Paris
-> Musée de l’air et de l’espace, Le Bourget
-> Naturhistorisches Museum Basel
Some highlights
1 Seismic table
2 Mounted skeleton of Kotasaurus yamanpalliensis (a species of sauropod) Wikipedia