As summer approaches, you might like to take a dip (don’t forget the sunscreen). Appearing as if you are at the edge of a waterfall, an infinity pool offers a beautiful sight from within and without.

The opening half hour has an ominous chill, signposts of dread—like the topsy-turvy tilt of the camera—gradually accumulating. On the coast of a fictional tropical country, at a swankily sterile ...