Libraries are not just the knowledge hubs and store house of archives. In the modern world these magnificent institutions play an inspirational role in the exchange of ideas and discussions among book lovers. You will be overwhelmed to see some of the exquisite libraries around the world built over huge areas with magnificent architecture and designs. These libraries are not mere information centres but depict the history and culture of a place too housing millions of books, manuscripts and items of historical importance from centuries. Some of these ancient libraries have integrated ladder that pull out and secret doors that lead to reading rooms. Have a look at these awe-inspiring structures.