And let's not forget this is Crystal Lake caves. So Crystal Lake is 30 ft long for feet wide and 2.5 ft deep. And if you brought your swimsuits I don't recommend using those because it's only 42 F.

With more than 1,000 caves hidden throughout Iowa's natural habitats, here are six caves open to the public this spring. With more than 1,000 caves hidden throughout Iowa's natural habitats, ...

Crystal Lake Cave is open on Saturdays and Sundays from 9 a.m. to 5 p.m. and by reservation other days of the week. Reservations are required from Nov. 1 until March 31. Maquoketa Caves State Park ...