| Height | Structure | Country | Time | % Correct |
|---|---|---|---|---|
| 169 m / 554 ft | Washington Monument | United States | 1884 - 1889 | 100%
|
| 142 m / 466 ft | Strasbourg Cathedral | France | 1666 - 1874 | 96%
|
| 828 m / 2,717 ft | Burj Khalifa | United Arab Emirates | 2009 - | 96%
|
| 62 m / 203 ft | Step Pyramid of Djoser | Egypt | 2650 - 2610 B.C.E. | 92%
|
| 151 m / 495 ft | St. Mary's Church | Germany | 1548 - 1549 | 92%
|
| 160 m / 525 ft | Lincoln Cathedral | United Kingdom | 1311 - 1548 | 92%
|
| 553 m / 1,814 ft | CN Tower | Canada | 1975 - 2009 | 88%
|
| 540 m / 1,772 ft | Ostankino Tower | Russia | 1967 - 1975 | 83%
|
| 35 m / 115 ft | Ziggurat of Ur | Iraq | 3000 - 2650 B.C.E. | 58%
|
| 159 m / 522 ft | St. Olaf's Church | Estonia | 1549 - 1625 | 8%
|