Smallest Ocean
The Arctic Ocean, which is about 10 times smaller than the Pacific Ocean.
Largest Freshwater Lake
Lake Superior, U.S.-Canada, 31,820 square miles
Southern most tip of Africa
Cape Aguilhas
Shortest River
Roe River near Great Falls, Montana
Canadian name for the Niagara
Horse-shoe falls
Highest Lake
Lake Titicaca in Peru, 12,500 feet above sea level
Largest Lagoon
Lagoa dos Patos, Brazil, 150 miles long, 4,500 square miles
Largest Gulf
Gulf of Mexico, 615,000 square miles
Deepest Underwater Trench
Mariana Trench, 36,198 feet below the ocean surface
Lowest Lake
The Dead Sea, Israel-Jordan, water surface 1,349 feet below sea level
Deepest Gorge
Hells Canyon, Snake River, Idaho, 7,900 feet deep
Only land-locked South American countries
Bolivia and Paraguay
Largest Bay
The Bay of Bengal, 1,300,000 square miles
Longest Estuary
Ob River, Russia, 550 miles long, up to 50 miles wide
Largest Lake
Caspian Sea, 152,239 square miles
Deepest Lake
Lake Baikal
Largest Peninsula
Arabia, 1,250,000 square miles
Largest Gorge
Grand Canyon, Colorado River, Arizona, U.S., 217 miles long, 4-18 miles wide, 1 mile deep
Largest Archipelago
Indonesia, 3,500-mile stretch of 17,000 islands
Lowest Point on Land
The Dead Sea, Israel-Jordan, water surface 1,349 feet below sea level
Longest Mountain Range
The Andes of South America, 5,000 miles