Expo '98 was an official specialised World's Fair held in Lisbon, Portugal from Friday, 22 May to Wednesday, 30 September 1998. The theme of the fair was "The Oceans, a Heritage for the Future", chosen in part to commemorate 500 years of Portuguese discoveries. The Expo received over 10 million visitors in 132 days, while 143 countries and many organizations were represented.
Two pavilions on the Expo '98, now hosting the Feira Internacional de Lisboa
Oceans Pavilion, now the Lisbon Oceanarium
Pavilion of Portugal with its concrete veil (designed by Álvaro Siza Vieira)
Torre Vasco da Gama cable car.
A world's fair, also known as a universal exhibition or an expo, is a large global exhibition designed to showcase the achievements of nations. These exhibitions vary in character and are held in different parts of the world at a specific site for a period of time, typically between three and six months.
Poster advertising the Brussels International Exposition in 1897
Replica of the Gokstad Viking ship at the 1893 Chicago World's Fair
International Exhibition of Modern Decorative and Industrial Arts in Paris, France in 1925. Autochrome Lumière showing Polish pavilion.
Palace of the railways and great connections at the International Exhibition of Hydropower and Tourism in Grenoble, France in 1925