- Updated listings of 44 sites
- 18 new site listings
- 14 museums featuring cave and mine replicas and geologic exhibits
- 13 sidebars highlighting Wisconsin’s underground history and geology, as well as less accessible—yet fascinating—locations
- Directions, precautions, and amenities for all sites listed
This guide offers ideas for travelers who want an unordinary travel experience. While some sites require sure-footedness and an ability to climb scores of stairs, others are accessible even for families with young children. Whether you’re ready for a serious trek or a simple peek beneath the surface, Wisconsin Underground can the lead the way.