Bantaca spire
Bantaca spires were flat-topped obelisks around which ancient Bajoran cities were built. Measuring eleven meters tall, bantaca spires were made from hundreds of stones fitted so tightly together that they didn't require . The spire marked the city's position in the cosmos, and there were symbols on its sides which represented the city's coordinates.

In 2373, Benjamin Sisko used the image of a bantaca spire in the icon painting of B'hala to locate the lost city. The city's real bantaca spire was unearthed deep underground. ()

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de:Bantaca-Turm
pl:Iglica bantaca
Bajor
Structures