Beautiful World's Fair venues First staged in 1791 in Prague to commemorate King Leopold II's coronation, the Great Exhibition in London in 1851 brought this amazing event to the public's attention.
Each fair since then has been meant to bring together and celebrate the achievements of many nations, a tradition that continues today.
Memorial Hall, Philadelphia The 1876 Centennial Exposition in Philadelphia commemorated the 100th anniversary of the signing of the Declaration of Independence.
More than 200 buildings were built, but only Memorial Hall, seen in a sketch celebrating the inaugural night on May 10, has remained.
Royal Exhibition Building, Melbourne Built for the 1880 Melbourne International Exhibition, this spectacular edifice is a unique combination of styles.
Paris' Eiffel Tower The Eiffel Tower, the most famous, was unveiled in 1889 at the Universal Exposition. The tower's base arches housed a post office, a printing mill, and a patisserie.
The Palace of Fine Arts, Chicago The world's first Ferris wheel, built for the 1893 World's Columbian Exposition in Chicago, is now gone (the one at Navy Pier is a reproduction), but another remains.