1. The Seven Industrial Wonders of the World

2. The Great Eastern Now let's flash backwards to the 1850s. The "Great Eastern" was the last creation of Isambard Kingdom Brunel, England's most celebrated engineer. The Great Eastern is shown here during her arduous launching from her birthplace by the Thames, there being no drydock in 1858 that could have held her. At 700 feet long and over 25,000 tons, her length and displacement were not exceeded for almost 50 years. At the time, she was six times the size of the next biggest ship that had ever been built.

3. Brooklyn Bridge Began in 1870 and Completed in 1883 Caissons The Bends Compressed Air Paralysis is loss of muscle function for one or more muscles.

4. Bell Rock Light House Built from 1807 to 1810 Island is only exposed a few hours Everyday

5. The Sewer King London’s Sewers The Great Stink of 1858 Built 1859-1865 Cholera 100 miles

6. Panama Canal French 1880-1889 United States 1904-1914 Panamanian Revolution Built for US Naval access to the Pacific and access for the Eastern US to Asian Markets

7. The Line First Transcontinental Railroad Built between 1863 to 1869 Linked the West Coast to Midwest Paid for with Land Grants Massive corruption

8. Hoover Dam Built between 1931 and 1936 Cost 100 lives Invention of Hardhats Las Vegas Flood Control Irrigation Hydroelectric Power