Develop Satellites.
In the meantime, trade territory maps and world maps with the other civs.
Or explore the whole map with your cavalry, then conquer it. The more land you conquer the better, that way you can see there all the time.
In the meantime, trade territory maps and world maps with the other civs.
Or explore the whole map with your cavalry, then conquer it. The more land you conquer the better, that way you can see there all the time.