1. Australia is the smallest continent with a land area of 7,618,000 sq km.
2. The Arctic Ocean is the smallest of the World's oceans with an area of 14,060,000 sq km .
3. Vatican City has an area of approximately 44 hectares (110 acres), and a population of just below 1000. Which makes Vatican City the smallest independent state in the world by both area and population.
4. The D River is a river in Lincoln City,Oregon, United States is known as the shortest river in the world with the measurement of 440 feet (130 m).