| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The Eiffel Tower was built using 2.5 million rivets & 14 million pounds of this material | iron | $400 | DJ | ENGINEERING | 2009-02-20 | #5635 | |
| About 7,000 tons of this material were used to build the Eiffel Tower | iron | $200 | J | ENGINEERING | 1995-02-28 | #2422 |