| Rank | Nominal Cost (US$) | Country | Answer | % Correct |
|---|---|---|---|---|
| 7 | 4.10 billion | UAE | Burj Khalifa | 100%
|
| 9 | 3.80 billion | USA | One World Trade Center | 55%
|
| 1 | 15.00 billion | Saudi Arabia | Abraj-Al Bait | 27%
|
| 5 | 5.00 billion | USA | Apple Park | 9%
|
| 4 | 5.50 billion | Singapore | Marina Bay Sands | 9%
|
| 2 | 10.70 billion | Germany | Berlin Brandenburg Airport | 0%
|
| 10 | 3.00 billion | UAE | Emirates Palace | 0%
|
| 3 | 9.06 billion | Finland | Olkiluoto Nuclear Power Plant (Unit 3) | 0%
|
| 6 | 4.93 billion | Singapore | Resorts World Sentosa | 0%
|
| 8 | 3.90 billion | USA | The Cosmopolitan | 0%
|