Famous Landmarks. Sydney Opera House – Australia. Sydney Opera House is one of the world’s most well known and instantly recognizable live music venues. Over 7 million people visit the opera house every year, making it one of Australia’s biggest tourist attractions. The main concert hall can seat almost 2.700 people and contain one of the world’s largest organs – it has 10.000 pipes. Arnold Schwarzenegger once appeared at the opera house, during a 1980 body building championship. The building’s distinctive look comes from a million tiles, which were designed to be self cleaning. Like, Share and Subscribe. Thanks.