hoodoo
Definitions
A column of rock, often in an irregular or fantastic shape, formed by erosion.
A spell, charm, or practice associated with folk magic or voodoo.
Something that brings bad luck or a state of being jinxed.
Examples
The superstitious traveler refused to touch the ancient hoodoo, fearing it might bring him bad luck.
The desert landscape was filled with strange, towering hoodoos that cast long shadows as the sun began to set.