| Wheatley, Melvin - |
| Swiss Watches: Precision and Craftsmanship (19) | | Multiple Choice | 2018.02.23 |
| Thanksgiving Day (22) | | Multiple Choice | 2018.06.16 |
| The Ancient Seafaring History of the Åland Islands (10) | | Multiple Choice | 2018.11.27 |
| The Diverse Landscapes of Morocco (9) | | Multiple Choice | 2018.09.17 |
| The Great Lakes (13) | | Multiple Choice | 2018.09.15 |
| The Impact of Catalan Modernism in Barcelona, Spain (9) | | Multiple Choice | 2018.08.28 |
| The Legend of Robin Hood (14) | | Multiple Choice | 2018.07.12 |
| The Mysterious Mayan Ruins of Tikal (10) | | Multiple Choice | 2018.08.01 |
| The Rocky Mountains (9) | | Multiple Choice | 2018.06.02 |
| Viking Age (35) | | Multiple Choice | 2018.10.17 |
| Wagner's Operas and Influence (19) | | Multiple Choice | 2018.04.15 |
| Wildlife spotting in the Norwegian wilderness (17) | | Multiple Choice | 2018.02.06 |
| Yerba Mate Rituals (8) | | Multiple Choice | 2018.07.16 |
| Yucatan Peninsula (36) | | Multiple Choice | 2018.01.16 |
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