Article Detail Which is Largest library in the world ? Answer: United State Library of Congress, Washington D.C. Similar Questions : 1. Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). 2. Which Indian state is having longest coastline ? Answer: Gujrat 3. Which is largest Dam in World ? Answer: Three Gorges (China) 4. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 5. Which state is largest by Population ? Answer: Uttar Pradesh 6. What is the name of brightest star ? Answer: Sirius 7. Which is the largest desert in India ? Answer: Thar (Rajasthan) Read more from - Longest and Largest