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Comments:	In 1932, Bernard Markus opened the cave to the public, naming it Crystal Lake Cave. Today, Crystal Lake Cave is the longest living show cavern in the state of Iowa, and growing everyday. <p> Inside the gift shop, no entry required. Off Highway 52 just south of Dubuque<p> All say Crystal Lake Cave. $.51 each. Designs are: <br> 1) Words "Crystal Lake Cave Discovered 1868 Dubuque, Iowa", <br> 2) Cave formations, <br> 3) Giant holding rocks, <br> 4) Bats in a cave. <p> 9/30/23 Update - The machine is rolling great!
	Please be specific regarding the machine location. Is it upstairs? Downstairs? By the entrance? etc...

Crystal Lake Cave

Machine Locations > Iowa

6684 Crystal Lake Cave Dr
Dubuque, IA , 52003

Phone: 563-556-6451

Website

In 1932, Bernard Markus opened the cave to the public, naming it Crystal Lake Cave. Today, Crystal Lake Cave is the longest living show cavern in the state of Iowa, and growing everyday.

Inside the gift shop, no entry required. Off Highway 52 just south of Dubuque

All say Crystal Lake Cave. $.51 each. Designs are:
1) Words "Crystal Lake Cave Discovered 1868 Dubuque, Iowa",
2) Cave formations,
3) Giant holding rocks,
4) Bats in a cave.

9/30/23 Update - The machine is rolling great!

Machine 1