| Costello, Ali - |
| The Wave: Arizona’s Surreal Sandstone Phenomenon (9) | | Multiple Choice | 2011.07.18 |
| The White Desert of Farafra, Egypt (15) | | Multiple Choice | 2011.02.27 |
| The World’s Smallest Desert: Carcross, Canada (16) | | Multiple Choice | 2011.03.23 |
| Tiritiri Matangi Island: New Zealand’s Wildlife Sanctuary (8) | | Multiple Choice | 2011.10.14 |
| Tristan da Cunha: The World’s Most Isolated Archipelago (8) | | Multiple Choice | 2011.05.04 |
| Tristan da Cunha: The World’s Most Remote Inhabited Island (11) | | Multiple Choice | 2011.07.11 |
| Tsingy de Bemaraha: Madagascar’s Secret Stone Forest (8) | | Multiple Choice | 2011.01.21 |
| Vardzia: Georgia’s Cave Monastery (9) | | Multiple Choice | 2011.03.05 |
| Yamal Peninsula: Russia’s Land of the Nenets (30) | | Multiple Choice | 2011.11.23 |
| Zhangjiajie’s Hidden Glass Bridge, China (16) | | Multiple Choice | 2011.12.04 |
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