We always pass by this place whenever we are in Intramuros. Entrance is P75.00 for Adults. This is the Oldest Stone fort in Manila. Aside from the Fort there is also the Gardens of San Diego. 
The Baluarte was used in the Action-Magical-Fantasy Series, Encantadia, It served as the Ruins of the Kingdom of Sapiro. This is where Ybrahim (Ding Dong Dantes) and Raquim (Bobby Andrews) met and fought.