Thomas Edison's footage of the moving sidewalk from the 1900 Exposition Universelle shows the view from different parts of the mile-long contraption that took visitors around the exhibit areas. To recreate the experience of visitors like Edison, we…

Les Invalides, or the Hôtel National des Invalides, stood on the edge of the Seine long before it was used for the Exposition Universelles of Paris (Lewis). Les Invalides was originally built for the housing and care for disabled veterans (Lewis).…