A hoodoo, also known as a fairy chimney, tent rock, or earth pyramid, is a geological formation consisting of a tall, thin rock that has been eroded by the elements. Their shapes are often so unusual or precarious that people who see them frequently assume that they are man-made.
*Nods, trying to look intelligently intrigued while stifling giggles*
I KNOW THEY LOOK LIKE DICKS OK. I AM AWARE