I mainly edit on English Wikipedia, but from time to time edit images on Commons. I've added a few of my own photos and also rectify existing photos with Hugin and enhance images of early printed books and manuscripts to improve their legibility.
Lombard Street, San Francisco, 1960
Nagasaki Cathedral 1964
Copernicus House; Torun, Poland
Córdoba Mosque-Cathedral (at Crossing)
Wupatki Ruin (panorama): Wupatki National Monument, Arizona
United States Pavilion, 1958 Brussels World’s Fair (Expo 58)
Pisgah Astronomical Research Institute (PARI), near Balsam Grove, North Carolina
Page of the Calendarium Parisiense.
14th c. diagram of angels moving the celestial spheres
Peuerbach's diagram of the celestial spheres, 1474.
Kepler's diagram of the celestial spheres, 1621
Title page, Macrobius, 1560 edition.
Spectra of the fixed stars and nebulae, New International Encyclopedia, 1902.