| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| In the 14th century the Ming dynasty extended it 16 miles to Laolongtou, where it meets the Pacific Ocean | the Great Wall of China | $1,600 | DJ | ENGINEERING FEATS | 2016-03-01 | #7247 | |
| A 1984 survey found an additional 2,500 miles to this barrier, now totaling 6,200 miles long | the Great Wall of China | $400 | J | ENGINEERING | 1985-10-03 | #279 |