| 1. |  | World's Columbian Exposition Machinery Hall | Exhibition buildings; Exhibitions; Sculpture; Columns; Water; Fairs; Temporary buildings | The World's Columbian Exposition ran from May 1 to October 30, 1893. Machinery Hall "is 846 feet long by 492 feet wide, not including the annex which is 490 feet by 550 feet, or the power house 100 by... |
