What are the 8 wanders of the world?

The "Seven Wonders of the World" traditionally refers to remarkable constructions of classical antiquity, including the Great Pyramid of Giza, the Hanging Gardens of Babylon, the Statue of Zeus at Olympia, the Temple of Artemis at Ephesus, the Mausoleum at Halicarnassus, the Colossus of Rhodes, and the Lighthouse of Alexandria. In modern times, the "New Seven Wonders of the World," as determined by a global poll in 2007, includes the Great Wall of China, Petra in Jordan, Christ the Redeemer in Brazil, Machu Picchu in Peru, Chichen Itza in Mexico, the Roman Colosseum in Italy, and the Taj Mahal in India. There isn't an official "eighth wonder," but some other sites, like the Sydney Opera House or the Stonehenge, are sometimes informally referred to as such.