World Landmark Challenge
Europe: Eiffel Tower, Coliseum, Big Ben, etc.
North America: Statue of Liberty, Golden Gate Bridge, Grand Canyon, etc.
Australia: Sydney Opera House, Great Barrier Reef, Pink Lake, etc.
South America: Christ the Redeemer, Manchu Picchu, etc.
Africa: The Great Sphinx, Table Mountain, etc.
Asia: Taj Mahal, Burj Khalifa, Great Buddha, etc.