Trivia: Which famous building was the result of an international competition?
Sydney Opera House
Empire State Building
Big Ben
Hagia Sophia
Correct Answer: Sydney Opera House
So why is this answer correct? : When the call went out for a new opera house in Sydney Harbor in 1956, hundreds of architects submitted designs. The award went to Jørn Utzon from Denmark, who received ₤5000 for his winning design, which resembled white boat sails set against the harbor.