longest largest biggest smallest tallest and highest in the world 

1. Highest Volcano - Cotopaxi (Ecuador)

2. The coldest city -Siberia (Russia)

3. The warmest city - death valley (USA)

4. The tallest Indian tower - Qutub Minar

5. A country with the lowest population - Vatican city

6. Largest Highway - trance Canadian Highway

7. The largest road bridge on the river - Mahatma Gandhi Setu (Patna, Bihar)

8. The highest road - Leh-Manali rajmarg (India)

9. Location with the highest rainfall - Meghalaya (India)

10. Largest Statue - the statute of liberty (USA)

11. Smallest bird - hummingbird

12. Highest Animals - giraffe

13. The Greatest Animals - the blue whale

14. The most intelligent animal - chimpanzee

15. Largest Bird - ostrich (Australia)

16. The longest dam - hirakund bandh (Orissa, India)

17. Largest island - majuli (Brahmaputra river) Assam