Despite the bad reputation earned by the credit card industry, credit cards have great benefits that many holders are not aware of. They are especially beneficial for travel. They offer you the convenience of making a purchase abroad without having to worry about converting your money into the local currency. Moreover, internationally recognised cards like Visa, MasterCard, American Express and Discover offer more than just shopping convenience. Discover, for example, automatically offers travel insurance for every air ticket booked, while the others extend discounts on a range of travel-related expenses.