ROGUE (2007)
Nature activity: Crocodile watching
Natural disaster: Tourists on an Australian river cruise get a closer-than-anticipated look at an enormous, man-eating croc when their boat enters its territory and it picks them off one by one.
Complex says: Anytime you can spend money to put yourself in the path of a predator whose mastery of killing predates history, you simply have to do it! And you thought wearing Crocs was stupid. (It is.)