longest largest biggest smallest tallest and highest in the world

1. The longest railway route - trance Siberian railway line (Russia)

2.The longest river - Neil river

3. The Greatest River - Amazon River

4. The largest lake of saltwater - Caspian sea

5. Largest catch of freshwater - superior lake (northern America)

6. The Deepest Catch - Baikal Catch (Russia, Siberia)

7. The largest stadium - rungrado (Pyongyang, North Korea)

8. The largest island group - Indonesia

9. A city with the densest population - Mexico city

10. The largest Gulf (creek) - creek of Mexico

11. The largest peninsula - Arabian peninsula

12. Longest Indian Railway Station - Kharagpur, Paschim Bengal

13. Largest Railway Station - grand central terminal, New York

14. The largest river mainland (Delta) - Sundar Baan (delta of the Ganges) (India, Bangladesh)

15. Highest waterfall - angel fall (Venezuela)