Perhaps the most famous Buddha’s head in the temple – the sandstone head must have gotten entangled with the roots of the tree. There’s a small fence around it, and a number of people will pray to it.
Like a lot of temples, there are a couple different tracks to take. You could simply enjoy the beauty, or appreciate the history using the audio guide and other resources at your disposal before you go. It’s worth the visit, so long as you don’t mind the touristy nature of the mainstream destination.