http://worldmap.harvard.edu/maps/6642/
This map of the 1900 Paris Exposition Universelle offers a layered views of the exhibition. In addition to highlighting French and foreign exhibits, it incorporates panoramas and unique views of the exposition. Clicking on binoculars will open up a long view of the exposition grounds, as if you were standing in that location in 1900 yourself! Click on the tool icons to get a behind-the-scenes view of the construction of the fair, and wander into buildings and art installations by clicking on a door icon. Please enjoy this layered view of the Exposition Universelle!