<Tr> <Td> Delta and Zuiderzee Works </Td> <Td> 1920 </Td> <Td> May 10, 1997 </Td> <Td> Zeeland, South Holland, North Holland, Friesland and Flevoland, Netherlands </Td> <Td> The largest hydraulic engineering project undertaken by the Netherlands during the twentieth century . </Td> </Tr> <Tr> <Td> Panama Canal </Td> <Td> January 1, 1880 </Td> <Td> January 7, 1914 </Td> <Td> Isthmus of Panama </Td> <Td> One of the largest and most difficult engineering projects ever undertaken . </Td> </Tr> <P> In November 2006 the American national newspaper USA Today and the American television show Good Morning America revealed a new list of New Seven Wonders as chosen by six judges . An eighth wonder was chosen on November 24, 2006 from viewer feedback . </P> <Table> <Tr> <Th> Number </Th> <Th> Wonder </Th> <Th> Location </Th> </Tr> <Tr> <Td> </Td> <Td> Potala Palace </Td> <Td> Lhasa, Tibet, China </Td> </Tr> <Tr> <Td> </Td> <Td> Old City of Jerusalem </Td> <Td> Jerusalem </Td> </Tr> <Tr> <Td> </Td> <Td> Polar ice caps </Td> <Td> Polar regions </Td> </Tr> <Tr> <Td> </Td> <Td> Papahānaumokuākea Marine National Monument </Td> <Td> Hawaii, United States </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Internet </Td> <Td> Earth </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Mayan ruins </Td> <Td> Yucatán Peninsula, México </Td> </Tr> <Tr> <Td> 7 </Td> <Td> Great Migration of Serengeti and Masai Mara </Td> <Td> Tanzania and Kenya </Td> </Tr> <Tr> <Td> 8 </Td> <Td> Grand Canyon (viewer - chosen eighth wonder) </Td> <Td> Arizona, United States </Td> </Tr> </Table>

7 wonders of the world and their country