Are there any flowers that look like snakes?
There are quite a few examples of plants which look like snakes. I'll tell about them one at a time.


Darlingtonia californica: or Cobra Lily, is a type of pitcher plant which looks much like a snake. It is native to Northern California and Oregon, growing in bogs and seeps with cold running water. See this image:


Arisaema triphyllum: commonly called Jack-in-the-Pulpit, it is a type of corm which resembles cobra. It is native to eastern North America, occurring in moist woodlands and thickets from Nova Scotia west to Minnesota, and south to southern Florida and Texas. See this:



A similar and closely related plant, Arisaema griffithii, called Griffith's Cobra Lily, resembles even more. See this:


Pogonia ophioglossoides: also called Snakemouth Orchid, whose flowers resemble the face of a snake, pretty much like your image. It is a species of orchid occurring from central Canada to the east-central and eastern United States. See this:


Isotria medeoloides: named Little Five Leaves, its flower also resembles a snake's face. It is a threatened species of terrestrial orchid found in temperate eastern North America. See this: