Through the proposed angles exposing the Tower in this section - historical development, technical dictionary, images from the past century or recent computer-generated images - we invite you to explore the genuine foundations of this incredible monument and the secrets behind this Great Lady's silhouette.

The structure of the Eiffel Tower and its evolution
Chronology of the main construction periods
A few statistics
Dictionary of technical terms
The "blueprints" of Monsieur Eiffel