| Wheatley, Melvin - |
| Hudson Bay (25) | | Multiple Choice | 2018.01.16 |
| Icelandic Language and Literature (8) | | Multiple Choice | 2018.12.27 |
| Irish Whiskey (15) | | Multiple Choice | 2018.07.02 |
| Italian Film and Cinema Industry (51) | | Multiple Choice | 2018.10.13 |
| Machado de Assis: Influential Brazilian Writer (14) | | Multiple Choice | 2018.09.14 |
| Magritte's Surreal Art World (15) | | Multiple Choice | 2018.04.15 |
| Norwegian Wildlife (8) | | Multiple Choice | 2018.01.05 |
| Pamukkale's Cotton Castle (8) | | Multiple Choice | 2018.04.03 |
| Perito Moreno Glacier: Spectacular Ice Formation (16) | | Multiple Choice | 2018.10.14 |
| Puffin Watching in Iceland (9) | | Multiple Choice | 2018.12.20 |
| Ring of Kerry (10) | | Multiple Choice | 2018.12.04 |
| Romanian Orthodox religious traditions (17) | | Multiple Choice | 2018.08.13 |
| Russian Cuisine (8) | | Multiple Choice | 2018.07.05 |
| Secret Underground Tunnels in London (8) | | Multiple Choice | 2018.11.28 |
| Secrets of the Vltava River Basin (8) | | Multiple Choice | 2018.08.07 |
| Siberia (20) | | Multiple Choice | 2018.12.24 |
| Sushi (15) | | Multiple Choice | 2018.12.16 |
| Swiss Banks (8) | | Multiple Choice | 2018.06.23 |
|