| Ashton, John - |
| Eiffel Tower (81) | | Multiple Choice | 2008.02.16 |
| Ephesus (19) | | Multiple Choice | 2008.08.26 |
| European Cuisine for Kids (15) | | Multiple Choice | 2008.07.08 |
| Film editing (45) | | Multiple Choice | 2016.04.26 |
| Fjords of Norway (11) | | Multiple Choice | 2008.10.12 |
| Genghis Khan and the Mongol Empire (26) | | Multiple Choice | 2008.08.06 |
| Harry Potter: Wizarding World Wonders (53) | | Multiple Choice | 2008.07.19 |
| Haute cuisine (20) | | Multiple Choice | 2011.08.15 |
| History of the Jews in Hungary (100) | | Multiple Choice | 2012.08.15 |
| Hockey (42) | | Multiple Choice | 2008.04.28 |
| Louvre Museum (18) | | Multiple Choice | 2008.10.25 |
| Monarch Butterfly Migration (8) | | Multiple Choice | 2008.10.16 |
| Museum of Islamic Art, Doha (55) | | Multiple Choice | 2008.03.16 |
| Pannenkoeken Houses (8) | | Multiple Choice | 2008.05.11 |
| Rock hyrax (44) | | Multiple Choice | 2016.05.06 |
| Roman Mythology (21) | | Multiple Choice | 2008.07.22 |
| Siargao Island (38) | | Multiple Choice | 2008.04.02 |
| Skiing in the Austrian Alps (21) | | Multiple Choice | 2008.03.08 |
|