What is the physical address of Niagara Cave?

The physical address of Niagara Cave is indeed 29842 County Road 30, Harmony, Minnesota. This location is significant as it is where visitors can access the cave and experience its unique geological formations and tour offerings. It is important for tourists and potential visitors to have the correct address to ensure they can find the site easily.

Other addresses listed, while they may be plausible in some contexts, do not correspond to the actual location of Niagara Cave. Incorrect options could lead visitors to different sites, which could result in confusion or missed opportunities to explore the cave. Knowing the correct address helps in planning visits, understanding the area's geography, and ensuring that guests arrive at the intended destination for their tour experience.