The Eiffel Tower is made of wrought iron, which is why its nickname is Iron Lady. Altogether, 18,038 pieces of metal were ...

The final design called for 18,000 pieces of puddle iron and an incredible 2.5 million rivets. Admittedly, that sounds a lot more difficult than the 3D Eiffel Tower puzzle we had as kids.

Lastly, the claw setting connecting the iron hexagon to the rest of the medal is a nod to the Eiffel Tower. The setting is in a shape called “Clous de Paris,” which you’ll find in the rivets dotting ...

Six small clasps that hold the iron pieces in the medals are a nod at the 2.5 million rivets that bind the Eiffel Tower together. The back of the Olympic medals features the Greek goddess of ...