Sequenced Level 7.0 The Black Hills The Golden Gate Bridge Mount Rushmore The Brooklyn Bridge The Golden Temple The Mysterious Nazca Lines The Chernobyl Accident The Great Pyramids of Egypt Radiation China’s Ancient Buried Army Great Wall of China Statue of Liberty The Colosseum Hurricanes The Taj Mahal Earthquakes King Henry VIII The Tangshan Earthquake Easter Island’s Statues The Leaning Tower of Pisa Tornadoes The Eiffel Tower The Mexican Pyramids The Tower of London