The Eiffel Tower (history, features, construction)

How many levels does the Eiffel Tower have for visitors?

When was the Eiffel Tower built?

What is the Eiffel Tower considered a cultural icon of?

Who was the Eiffel Tower named after?

How many steps does a visitor have to walk to go from ground level to the first level of the Eiffel Tower?

In which city is the Eiffel Tower located?

What is the height of the Eiffel Tower?

How can the third and highest level of the Eiffel Tower be accessed?