| Building the Leaning Tower of Pisa | Medieval Siege Technology |
| Cathedral Masonry and Design (including a 3-D tour) | Medieval Economics: An Overview |
| The Domesday Book (and a second site on this book) | The Labyrinth: Resources for Medieval Studies |
| The Medieval Technology Page | Y1K -- the Year 1000: Science and Technology in the Middle Ages |
| Amiens Cathedral: A Virtual Tour | Durham Cathedral: A Virtual Tour |
| Notre Dame de Paris [a virtual tour] | Chartres Cathedral |
| An American Cathedral: St. John the Divine [New York] | Technological Development in the Middle Ages: A Timeline |
| The Art of Invention: Leonardo and Renaissance Engineers |
Arts and Architecture in Early Modern Europe |
| Windmills (and Windmill History and Development) | Washington National Cathedral (another modern American cathedral) |
| Building a cathedral (detailed view) |
