Niagara Cave
Harmony
Located in Harmony, Minnesota, Niagara Cave features a mile-long guided underground tour through twisting rock passages. Highlights include ancient 450-million-year-old fossils, phosphorescent minerals that glow under ultraviolet light, an underground stream, and a stunning 60-foot subterranean waterfall, along with a subterranean wedding chapel.
Commenters consistently describe the cave as a cool and awesome destination, showing strong enthusiasm and interest in visiting or revisiting. The primary caution shared by visitors centers on the physical exertion required to tackle the numerous flights of stairs, while others note fun trivia like the absence of bats.
- Prepare for multiple flights of stairs; the tour is not wheelchair accessible.
- Don't miss the 60-foot subterranean waterfall and ancient 450-million-year-old fossils.
- Look out for the unique phosphorescent minerals that glow under UV light.
- Pair your visit with exploring the nearby Amish community and the town of Lanesboro.
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