[cripplecreek]

I’m a little surprised to find that there are caves in Minnesota. I always thought that caves were generally found south of the furthest advance of glaciers.

[ApplegateRanch]

I’m a little surprised to find that there are caves in Minnesota.

Anyplace there is lots of limestone/karst. And some other places, too. ;)

We've visited this Minnesota “show cave”:

http://www.niagaracave.com/default.asp

These Minnesota caves we haven't seen:

http://en.wikipedia.org/wiki/Cold_Water_Spring_State_Preserve & related http://en.wikipedia.org/wiki/Spring_Valley_Caverns

http://en.wikipedia.org/wiki/Carver%27s_Cave

http://www.dnr.state.mn.us/state_parks/forestville_mystery_cave/index.html

...and a non-limestone Minnesota cave we haven't visited:

http://en.wikipedia.org/wiki/Wabasha_Street_Caves

And a non-limestone cave we did visit:

http://www.nps.gov/orca/

“Oregon Caves National Monument offers family focused opportunities to explore a marble cave,...”