EntityQ5050265· pop 6· linked from 11 articlesCastle RockSign in to savegeological limestone stack and tourist attraction in MichiganConnectionsPaul BunyanEntitygeographic coordinate systemEntitylimestoneEntityLake HuronEntitybrecciaEntitySt. IgnaceEntitystackEntityLast Glacial PeriodEntityMackinac IslandEntityStraits of MackinacEntityUpper Peninsula of MichiganEntitystairwellEntityWisconsin glaciationEntityCategoriesLandforms of Mackinac County, MichiganRoadside attractions in MichiganRock formations of MichiganStacks of the United StatesTourist attractions in Mackinac County, Michigan