Castle Williams is on the North side of the island directly facing Manhattan and New Jersey. Castle Williams is an amazing representation of Quality Education because of the massive amount of signs around it, and in it. Quality Education is the 4th goal in sustainable development and ensures that people of any age are accessible to education. Therefore, making Castle Willams a prime example of that, as it is free of charge, and anyone can visit. The signs in and around Castle Williams teach visitors about the history and architecture of the Castle. On the weekends the Castle is open to the public to see and learn more. This is an amazing learning experience that everyone should try out. The Governors Island Parks Service also lists a lot about Castle Williams and is a good thing to check out before, during, or after your visit.
https://www.nps.gov/gois/index.htm
