To discover other places on the Arcadia world you will need a map. Maps are necessary to unlock new territories forever. Without a map you’ll can not access to new areas.
Explorers need te knowledge of the maps to arrive well to their destination points. Without maps is not posible visit new places, but don’t worry, you can buy on the store and unlock places forever. Do not forget that you can also use your gold coins or your mana to make this purchase.