| Stewart, Ismael - |
| American National Parks (34) | | Multiple Choice | 2017.11.22 |
| Assumption of Mary (83) | | Multiple Choice | 2017.05.04 |
| Austrian Cuisine: From Schnitzel to Sachertorte (16) | | Multiple Choice | 2017.09.03 |
| Aztec Mythology (36) | | Multiple Choice | 2017.05.12 |
| Cuisine of France (35) | | Multiple Choice | 2017.06.06 |
| Discovering the History of the Beautiful Banff National Park (21) | | Multiple Choice | 2017.03.26 |
| Easter Island: Mysteries of the Moai Statues (9) | | Multiple Choice | 2017.05.27 |
| Electrical conductor (27) | | Multiple Choice | 2017.11.27 |
| Flaming Cliffs (23) | | Multiple Choice | 2023.05.18 |
| Ghormeh sabzi (20) | | Multiple Choice | 2023.12.25 |
| History of China (1949–1976) (100) | | Multiple Choice | 2009.09.06 |
| Karolína Muchová (63) | | Multiple Choice | 2019.07.01 |
| Mount Vesuvius (18) | | Multiple Choice | 2017.05.20 |
| Rocky Mountains (26) | | Multiple Choice | 2017.04.15 |
| Smokin' in the Boys Room (15) | | Multiple Choice | 2013.03.03 |
| Swiss Alps and Mountain Tourism (9) | | Multiple Choice | 2017.05.01 |
| Thai Cuisine (19) | | Multiple Choice | 2017.08.26 |
| The Kimberley (74) | | Multiple Choice | 2017.10.12 |
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