Now a private residence open for occasional public tours, The King's Observatory was built in Richmond in 1769 for King George III so he could observe (via a reflecting telescope in the dome) the passing of planet Venus between earth & the sun in June of that year.
| The observatory appears in the background of this 1778 portrait. |
| Portrait of Queen Charlotte, wife of George III, and their children. |
| Portrait of George III (later known as Mad King George) |
| Wallpaper detail |
| In the dome |
| Rotating the dome |