Bill Black

An amusement park mogul offers a random group of diverse people $1 million to spend the night in a decrepit former mental institution.

An armored car driver tries to elude a gang of thieves while a flood ravages the countryside.

An adventurer (Hamilton) decides to go in search of the Lost City in the Amazon jungle. A motley crew of other people decide to join him for the wealth of the city, for reasons of their own. But to their horror they find out that they have bitten off more than they can chew, what with a Nazi doctor still using the place for his human experiments.