Which architectural landmark was the focus of a revolutionary 1998 marketing campaign that transformed both the building's public image and increased tourism by over 300% within one year?

The intersection of architecture and branding creates powerful marketing opportunities. Iconic buildings often become symbols for cities and organizations, generating immense brand value. This poll tests your knowledge of how architectural landmarks have been leveraged in famous marketing campaigns that transformed both the structures and their associated brands. Can you identify which groundbreaking campaign truly revolutionized architectural marketing?

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The Guggenheim Museum Bilbao with its 'Titanium Revolution' campaign
The Petronas Towers with their 'Twin Icons of Asia' campaign
The Louvre Pyramid with its 'Glass Heritage' rebranding initiative
The Sydney Opera House with its 'Sails of the Southern Seas' promotion