For the sake of the Schengen agreement and the opening of the world, the younger generations are losing the sense of how strongly the passport once defined the country. But this public document, the ticket to the world across the national border, has a historically extraordinary power and is more than just a necessary evil, more than just another document that appropriates part of the traveler's pocket. Even today, it has an extraordinary weight and reflects the country's power in the world, so check what passports look like around the world and which countries you can travel to without a visa.