Beware of ripoff guides.

Goa Gajal is a cave carved with the face of an elephant about 400 years ago. Inside there is shrine with 3 linga sculptures ie penis sculptures. Traditional in Indian Hindu culture but rare in Balinese culture. Outside are 6 sculptures of women with water fountains on their chests which are believed to provide an aura of purification for visitors if splashed 3 times on their head.
All of this can be found on Wikipedia but the guides there ask for IDR 300,000 or AUD $30 to tell you that. And some people paid it.Read more