There are a wide variety of approaches that may be taken in order to get access to the Skyview Towers in The Legend of Zelda: Tears of the Kingdom. At times, you will be asked to assist certain non-playable characters, while at other times, you could be required to engage in a fight against some formidable foes. Again, you can unlock some by just walking into the tower. In order to unlock the complete map of Hyrule, you must unlock each of the Skyview Towers. You can also use these towers as a fast-travel point, which makes unlocking these towers a lot more important.