Behind their promise of paradise, cruise ships can often cover up some less than idyllic secrets. These could include work violations or even disappearances... So if you're one of the early 30 million people who set sail on cruise liners each year, here's what to watch out for. You've probably been totally unaware of the potentially unsavory things going on behind the scenes. 

Echoes rebound inside the deserted rooms, but the graffiti-covered domes still reach towards the sky... Some 150 feet above the Ganges river in India lies an extraordinary piece of history. Built into the side of a cliff is an opulent 14-acre monastery, or ashram, whose hallowed halls once pulsed with peace, love and the creative energies of the most important band the world has ever seen. Now, though, it lies in ruin, its decaying walls covered in vegetation and the voices of its former inhabitants nothing but a whisper on the wind. So how did it get this way?