862 | Heirs to Rome | 2022-02-12 | 9 |
557 | Countries with Glaciers during the Ice Ages | 2023-09-09 | 10 |
505 | Megafauna of North America | 2021-09-22 | 2 |
417 | US States with Glaciers during the Ice Ages | 2021-10-12 | 6 |
402 | Countries with Lava Lakes | 2024-10-16 | 0 |
378 | Megapredators of Ice Age North America | 2025-02-27 | 4 |
232 | US States by Largest Ski Area (Vertical Drop) | 2021-09-24 | 2 |
222 | Countries of the World by Largest Ski Area (Vertical Drop) | 2021-11-15 | 2 |
218 | US states ranked by topographic prominence | 2021-06-13 | 4 |
208 | Countries of the world ranked by topographic prominence | 2021-06-28 | 0 |
176 | Disjunct Species | 2024-01-09 | 4 |
140 | Countries containing deserts | 2021-12-10 | 2 |
123 | Inca Emperors | 2021-04-22 | 3 |
78 | The USDA Soil Orders | 2021-10-05 | 1 |
74 | US States with Permenant Ice Cover | 2023-08-12 | 2 |
74 | Megafauna of Africa | 2021-09-28 | 0 |
63 | Ice Age Megafauna of North America | 2023-01-07 | 1 |
63 | Countries containing Ultraprominent mountains | 2021-06-28 | 2 |
58 | Physical Regions of the Appalachian Mountains | 2021-11-20 | 0 |
58 | Megafauna of Australia | 2021-09-23 | 0 |
57 | Worm Characters by Power | 2021-10-05 | 0 |
55 | Megafauna of South America | 2021-09-22 | 0 |
51 | Megafauna of Europe | 2021-09-22 | 1 |
51 | Megafauna of Antarctica | 2021-09-28 | 0 |
49 | US states that have ski areas | 2021-08-23 | 0 |
45 | Aztec Emperors | 2023-12-31 | 0 |
41 | The Northeast 111 | 2021-07-04 | 1 |
38 | Extinct Mammals found at the La Brea Tar Pits | 2021-04-15 | 0 |
35 | Elephantid Species of the Ice Ages (Mainland) | 2022-12-30 | 0 |
34 | Fire and Ice: Countries with Active/Dormant Volcanoes and Glaciers | 2023-08-30 | 1 |
33 | Megafauna of Asia | 2025-04-29 | 0 |
31 | States with Higher Mountains than Neighboring States | 2023-08-08 | 1 |
28 | States by Maple Syrup Production | 2021-05-29 | 1 |
28 | Megapredators of Ice Age Europe | 2023-07-16 | 0 |
26 | 201 most prominent summits in the US on the map | 2021-07-20 | 0 |
21 | Canadian provinces ranked by topographic prominence | 2021-06-14 | 0 |
21 | Top 11 U.S States with the Largest Topographic Prominence | 2022-04-11 | 0 |
20 | Emperors of the Purepecha/Tarascan Empire | 2023-09-11 | 1 |
18 | US states ordered by largest natural lake | 2022-11-04 | 0 |
18 | Domesticated Animals | 2025-05-10 | 0 |
18 | Tallest Mountains in the US Over Time | 2024-07-27 | 1 |
18 | The 50 most prominent mountains in New England | 2021-08-16 | 0 |
17 | Extinct Animals of North America-Pictures | 2025-03-16 | 0 |
16 | US States by Largest Ski Area (Skiable Acres) | 2021-09-24 | 0 |
16 | Canadian Provinces by Largest Ski Area (Vertical Drop) | 2021-11-14 | 0 |
14 | Extinct Animals of Africa-Pictures | 2025-03-22 | 0 |
14 | Living fossils | 2024-06-27 | 0 |
13 | Extinct Animals From Islands-Pictures | 2025-03-16 | 1 |
13 | Iconic Mountains | 2024-10-14 | 0 |
12 | US Elevation Ladder from East to West | 2023-07-20 | 0 |
11 | Extinct Animals of Europe-Pictures | 2025-03-18 | 0 |
10 | Extinct Animals of Australia-Pictures | 2025-03-20 | 0 |
10 | Island Extinctions | 2025-03-08 | 1 |
10 | Extinct Animals of South America-Pictures | 2025-03-22 | 0 |
9 | Extinct Animals of Asia-Pictures | 2025-03-19 | 0 |
9 | Most Prominent Mountains in the US over Time | 2024-07-27 | 0 |
9 | US States with Glacial Cirques | 2024-03-30 | 0 |
9 | Largest Ice Caps by Area | 2022-11-04 | 1 |
9 | Mountain Superlatives | 2024-05-19 | 0 |
7 | Ancient Animal Mummies | 2024-11-16 | 0 |
4 | Tlatoni (Kings) of Texcoco | 2024-01-07 | 0 |
0 | Kings/Tlatoani of Tlacopan | 2025-03-30 | 0 |
0 | Rulers of Tilantongo | 2025-03-30 | 0 |