Visit the stunning crystal formations of Crystal ... The cave opened in 1932, making it the longest-run show cave in Iowa. Crystal Lake Cave is open on Saturdays and Sundays from 9 a.m. to 5 ...

And if that wasn't enough of a draw, Maquoketa Caves is completely free to enter! Read more: All Of The US National Parks That Are Free To Visit Year Round Iowa is not exactly high on most people ...

From a game of pickleball to time on the Iowa Great Lakes or a float down the river, here are 14 things to do outside this ...

Explore one of Iowa's limestone formations from the inside ... Tour Guide] Here are some of our bigger stalactites here in the cave. You can see that they are all very glossy.

As the weather warms and the earth thaws, the tri-state area’s 9,321 acres of state park lands are coming back ...