<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>

List the seven wonders of the modern world