The Niagara Cave in Harmony, Minnesota is one of the country’s most unique and fascinating geological attractions, having been rated by several outdoor recreation sites as one of America’s top ten caves. The one-hour guided tour of Niagara Cave includes descending 200 feet under the surface, a 1-mile underground hike, discovering 450 million-year-old fossils, both massive and delicate cave formations, a view of an underground waterfall and stream, and visit to the subterranean wedding chapel, in which more than 400 weddings have occurred. The Niagara Cave attraction area also includes gemstone mining, miniature golf, and more.

29842 County 30, Harmony, MN 55939, Phone: 507-886-6606

Rating: ⭐⭐⭐⭐⭐

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