Rockies
Alps
Andes
Himalayas
Caucasus
Greenland
Madagascar
Sri Lanka
Strait of Malacca
Panama Canal
Suez Canal
Persian Gulf
South China Sea
Indian Ocean
Mediterranean Sea
Hudson Bay
Atlantic Ocean
Pacific Ocean
Caribbean Sea
Congo River
Indus River
Tigris & Euphrates
Amazon River
Nile River
Mississippi River
Yangtze River