Once government support was obtained, Ferreira led the bid at the Bureau International des Expositions, which in 1992 declared Lisbon the winner, against the other contender Toronto, Canada.

There were additional themed pavilions dedicated to Water, Sea Knowledge, Virtual Reality (paid), The Future, Oceans and Oceanophilia; as well as exhibitions: "Leonardo da Vinci@expo98 – La Dinamica dell'Acqua", "Roads of the Porcelain" and "Shells and Man".

Additional attractions included a 15,000-seater Utopia Pavilion with a resident theatrical show, Camões Theatre, nautical exhibition, Garcia de Orta tropical gardens, Swatch Pavilion, "World of Coca-Cola" exhibition, Expo Adrenalin, 120-metre-tall observation tower (paid), funicular (paid) and the nightly water-show "Acqua Matrix".

Combining traditional stage technology with highly innovative special effects and mechanical controls, gsmprjct intégration handled all of the logistics and technical direction of the project.

The Oceania Virtual Reality Pavilion was the biggest hit of Lisbon's Expo '98, attracting over half a million visitors in a four-month period.

It consisted of a virtual submarine voyage to an underwater base where visitors discovered the ruins of a lost civilization and encountered a sea monster before escaping back to the surface in Teleport capsules.

Despite being the only pavilion at Expo '98 that required an additional admission fee, visitors spent hours waiting in line for this breathtaking 30-minute thrill ride that made use of seamlessly integrated simulators, virtual reality visors and interactive projections.

gsmprjct° was commissioned to design and produce "Oceania", planning the look and feel of the overall experience, in addition to acting as project manager, architectural coordinator, and general contractor.

Other popular pavilions, with lines of up to five hours on busier days, included Portugal, Spain, Sweden, Germany, and Virtual Reality.

It has also become permanent residency for up to 25,000 people and one of Lisbon's premier business centers, with many multinational corporations basing their headquarters in its main avenue.