Skip to content

Cave of the Mounds

WIUnited StatesBlue Mounds, WI

Active3 machines

From collectors

Cave of the Mounds, a natural limestone cave, is named for two nearby hills called the Blue Mounds. It is located in the southern slope of the east hill. The cave's beauty comes from its many varieties of mineral formations called speleothems.

Machine 1: is located in the building with the cave entrance:
1) 'Stalactites', image of Stalactites,
2) 'Trilobite', Image of Trilobite,
3) 'Brigham Farm', building,
4) 'Wisconsin's Oldest Classroom', People in cave

Machine 2: has been moved to the Cave Entrance building. Designs are:
1) 'Cave of the Mounds', View inside cave
2) 'Cave of the Mounds National Landmark', word logo
3) 'Cave of the Mounds Discovered August 1939', image of cave interior
4) 'Cave of the Mounds, Spelunker', image of cave interior

Machine 3: is in the main building/ gift shop.
1) "Cave of the Mounds" Wisconsin outline and stalactites/stalagmites,
2) "Polly the Parrot" rock formation,
3) "COTM" with butterflies,
4) "Brigham Farm est. 1828",

5/24: Machine 1 is retired,

9/26/2025 There are three machines.
Machine 1, which was listed as "retired", is still in operation and is located in the building with the cave entrance.
Machine 2 is also in the building with the cave entrance.
Machine 3 is in the main building/gift shop.

11/5/2025: Formatting issue in listing Machine 3 designs AOK (TEC 5766)

7/2/26: Machine #1 working, pressing a little short on coppers. Machine #2 working, pressing with one third of the design cut off. Machine #3 was out of order. TEC #4871

Machines and designs

3 machines
MachineDesignsCoin type
Machine 24Penny
Machine 14Penny
Machine 34Penny

3 photos from collectors

Report an update to this machine

Know something this listing does not? A new machine, new designs, moved, gone, jammed. Describe it below and a volunteer will check it and update the record.

This field is for validation purposes and should be left unchanged.
Drop files here or
Accepted file types: jpg, jpeg, png, webp, Max. file size: 12 MB, Max. files: 5.
    Up to 5 photos of the machine or the pressed coins (JPG, PNG or WebP, 12 MB each). A volunteer checks them before they go on the listing.
    Only used if a volunteer needs to ask a follow-up question.

    ← All machines in Wisconsin