Go to Delhi and talk to someone who tell you that the ghost ship went east. After that, go to Tokyo and do the same. The last guy tell you that the ghost ship is not far from Tokyo and went east(don't remember if it was in medium or high altitude)
First, turn around the small pond clockwise till a text pop up.
Go to the end of the bridge and wait a few seconds, and it will give you another hint.
Go face the waterfall and after you hear the sound of something moving, run to the entrance of El Dorado.