- The Eiffel Tower was built for the 1889 Paris Exposition and was not intended to be permanent.
- The Eiffel Tower was going to be demolished in 1909, but was saved because it was repurposed as a giant radio antenna.
- Con artist Victor Lustig "sold" the Eiffel Tower to a scrap metal dealer.
- The height of the Eiffel Tower varies by 5.9 inches (15 cm) due to temperature changes.
- Inventor Franz Reichelt died by jumping from the Eiffel Tower while testing a parachute of his own design.
- 1,665 steps are needed to climb all the way to the top of the Eiffel Tower.
- A woman named Erika La Tour Eiffel "married" the Eiffel Tower in 2007.
- There are 20,000 light bulbs on the Eiffel Tower.
- There are over 30 replicas of the Eiffel Tower around the world.
- At the time of its construction, the Eiffel Tower was the tallest building in the world.
- The Eiffel Tower is not fully illuminated 24/7. Since 2013, it shuts off the lights at 1AM to conserve power.
- Novelist Guy de Maupassant denounced the Eiffel Tower as a "useless and monstrous" structure. He liked to eat his meals in the restaurant at the tower's base, as it was the only place where he didn't have to look at it.