pillar_(landform)
Any landform - either rock or earth - that stands vertically, often spire-shaped, and often naturally formed.
For extremely tall natural 'pillars', see karst.
Real-life pillar landforms include the hoodoo [1] and tulin [2].
h4. External links
* [1] Wikipedia: Hoodoo (geology)
* [2] Wikipedia: Tulin (geology)
h4. See also
* Pillar