Bernard, Iowa

The cave is located beneath an outdated (but cool) gift shop on an little old gravel lot at the end of a short country road(Crystal Lake Cave Rd). The cave is about a 1-1.5 mile loop that takes about an hour. The cave is usually pretty cool and can have up to an inch of standing water at certain ...

From the Maquoketa Caves State Park office, near the parking area, hike north for access to 8 of the 16 caves in the park. These caves include Wide Mouth Cave, Dug Out Cave, Twin Arch Cave, Hernando's Hideaway, Up-N-Down Cave, Widow Cave, Match Cave, and Upper Dancehall Cave. Other attractions in...

To get to the trailhead within Mines of Spain, drive to the Dubuque area, turn off of Highway 61/151, and on to Highway 52. From Highway 52, turn left onto Mines of Spain Road until you find the parking lot. Once you park your car, go up the wooden stairs to the trail. From here you can go either...