Tucked away in the frozen waters of Lake Superior, the Apostle Islands Ice Caves in Wisconsin are a breathtaking spectacle.

During the Ice Age, huge glaciers advanced ... between what would become the park's 21 islands in Lake Superior. Today, the lakeshore lies within a transitional zone where boreal and northern forests ...

The article noted that the Apostle Islands — in Lake Superior, off the Bayfield peninsula in northern Wisconsin — are beautiful in both summer and winter for people who like outdoor adventures, with ...