Read more about the gardens
Ak-Sar-Ben - Bay Lake, MN
- Ak-Sar-Ben Rock Gardens, by Marjorie Rea -
Read on Internet Archive
- Minnesota Marvels: Roadside Attractions in the Land of Lakes, Eric Dregni, University of Minnesota Press, 2001
- Monumental Minnesota : a Guide to Outdoor Sculpture, Moira F. Harris, Pogo Press, 1992
Black Madonna Shrine and Grottos - Eureka, MO
- Franciscan Missionary Brothers - Black Madonna Shrine - official site, history, directions
Christiansen's Rock Garden - Albert Lea, MN
- Minnesota Marvels: Roadside Attractions in the Land of Lakes, Eric Dregni, University of Minnesota Press, 2001
- Monumental Minnesota : a Guide to Outdoor Sculpture, Moira F. Harris, Pogo Press, 1992
Dickeyville Grotto - Dickeyville, WI
- Dickeyville Grotto: The Vision of Father Mathias Wernerus, Susan A. Niles, University Press of Mississippi, 1997
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Dickeyville Grotto - postcards
- Carl Anderson - Dickeyville Grotto - photos
- Mississippi, River of Song: Faith, Politics, and Community at the Dickeyville Grotto - history
- NewLow.org - Dickeyville Grotto - photos
- Portal Wisconsin.org - Folk Art Road Trip - QTVR
- Postcards of Dubuque - Postcards of Kieler and Dickeyville - Many other antique postcard views
- Roadside America - Dickeyville Grotto
- Holy Ghost Parish - contact info
Fay Hession Fountain - Humboldt, IA
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- City of Humboldt - Liberty Fountain in John Brown Park - photos
- Interesting Ideas - Fay's Fountain - photos
Fountain City Rock Garden - Fountain City, WI
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Kohler Foundation - Mehringer Sculptures - info
The Garden of Eden - Toledo, OH
- OldWestEndToledo.com - Doc Hettinger's House - postcard
Grotto of the Redemption - West Bend, IA
- Dickeyville Grotto: The Vision of Father Mathias Wernerus, Susan A. Niles, University Press of Mississippi, 1997
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Grotto of the Redemption - photo
- Mary Ann Daly - Grotto Art - photos
- NW Cyber Mall - Grotto of the Redemption - history, photos
- Richard Huseth - West Bend Grotto - photos
- Roadside America - Grotto of the Redemption
- Thom.org - Grottos and Other Concrete Places - photos
- Grotto of the Redemption - official site
Hartman's Historical Rock Garden - Springfield, OH
- Agilty Nut - Hartman's Rock Garden - photos
- NarrowLarry.org - The Hartman Rock Garden - photos
- Roadside America - Hartman's Rock Garden
- Springfield Art Net - H.G. Hartman's Rock Garden - history, photos
- The Very Big Design - Photo Gallery - photos
Holy Family Grotto - St. Joseph Ridge, WI
- Dickeyville Grotto: The Vision of Father Mathias Wernerus, Susan A. Niles, University Press of Mississippi, 1997
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Center for the Study of Upper Midwestern Cultures - Holy Family Grotto - photos
- Grotto Communications - Grottos and other Magical Places - photos
- NewLow.org - St. Joseph's Grotto - photos
Immaculate Conception Grotto - Carroll, IA
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
Johnson's Rock Garden - Hendricks, MN<.
- HendricksMn.com - E.C. Johnson Stone House
Jubilee Dairy Rock Garden - Jubilee, IL
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Peoria Journal-Star - 101 Things That Play in Peoria - info
- UND "The Road Less Travelled" - Jubilee Rock Garden - photos of site circa 1976
A Little Bit O' Heaven - Davenport, IA
- 1001 Curious Things, Kate C. Duncan, University of Washington Press, 2001
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Chiroweb - B.J. of Davenport: a Photo Odyssey - a biography of B.J. Palmer
- Des Moines Register - Famous Iowans - a biography of B.J. Palmer
- Palmer College of Chiropractic - official site
The Molehill - Sauk Rapids, MN
- Minnesota Marvels: Roadside Attractions in the Land of Lakes, Eric Dregni, University of Minnesota Press, 2001
- Monumental Minnesota : a Guide to Outdoor Sculpture, Moira F. Harris, Pogo Press, 1992
- Naives and Visionaries, "Louis C. Wippich: Clown of Molehill", Ted & Karon Sherarts, E.P. Dutton, 1974
- WBEZ 848 radio program - Cool Spots - Real Audio visit which aired August 23, 2001
Mollie Jenson's Zoo and Museum - River Falls, WI
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Souvenir Mollie Jenson Zoo & Museum - Read on Internet Archive
Pathway Through the Bible - Joliet, MT
- Montana Behind the Scenes, Durrae and John Johanek, Two Dot / Falcon Publishing, 2000
- Unsigned, Unsung...Whereabouts Unknown, Jim Roche, Florida State University Gallery & Museum Press, 1993
Prairie Moon Museum and Garden - Cochrane, WI
- Naives and Visionaries, "Herman Rusch: Prairie Moon Museum and Garden", Judith Hoos, E.P. Dutton, 1974
- Circles of Tradition: Folk Arts in Minnesota, Willard B. Moore, Marion John Nelson, Johannes Riedel, Minnesota Historical Society Press, 1989
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Prairie Moon Sculpture Garden - photos
- Jensen Conservation Services - Prairie Moon Garden - restoration photos
- Kohler Foundation - Prairie Moon Sculpture Park & Museum - history, photos, directions
- Narrow Larry's World of the Outstanding - Prairie Moon Garden - photos
- NewLow.org - Prairie Moon Garden - photos
- Portal Wisconsin.org - Prairie Moon Sculpture Garden - QTVR
- Thom.org - Grottos and Other Concrete Places - photos
Rockome Gardens - Arcola, IL
- Your Visit With the... Amish in the Arthur and Arcola Area, by Rockome Gardens - Read on Internet Archive
- SPACES - Martin & Yoder, Rockome Gardens - photos, vintage brochures
- Roadside Architecture – Rockome Gardens – photos
Rudolph Grotto and Wonder Cave - Rudolph, WI
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Official church site - St. Philips Parish Grotto Shrine - photos, maps, directions
- NewLow.org - Rudolph Grotto - photos
Suilmann's Museum - Wabasha, MN
- Penumbra Music travels the globe - Favorite Places - photos
- WBEZ 848 radio program - Cool Spots - Real Audi visit with Joe Suilmann which aired July 20, 2001
Wegner Grotto - Cataract, WI
- Dickeyville Grotto: The Vision of Father Mathias Wernerus, Susan A. Niles, University Press of Mississippi, 1997
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Wegner Grotto - photos
- Interesting Ideas - The Wegner Grotto - photos
- Kohler Foundation - The Wegner Grotto - history, photos, directions
- NewLow.org - Wegner Grotto - photos
- Portal Wisconsin.org - Paul and Matilda Wegner Grotto - QTVR
- HendricksMn.com - E.C. Johnson Stone House
Jubilee Dairy Rock Garden - Jubilee, IL
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Peoria Journal-Star - 101 Things That Play in Peoria - info
- UND "The Road Less Travelled" - Jubilee Rock Garden - photos of site circa 1976
A Little Bit O' Heaven - Davenport, IA
- 1001 Curious Things, Kate C. Duncan, University of Washington Press, 2001
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Chiroweb - B.J. of Davenport: a Photo Odyssey - a biography of B.J. Palmer
- Des Moines Register - Famous Iowans - a biography of B.J. Palmer
- Palmer College of Chiropractic - official site
The Molehill - Sauk Rapids, MN
- Minnesota Marvels: Roadside Attractions in the Land of Lakes, Eric Dregni, University of Minnesota Press, 2001
- Monumental Minnesota : a Guide to Outdoor Sculpture, Moira F. Harris, Pogo Press, 1992
- Naives and Visionaries, "Louis C. Wippich: Clown of Molehill", Ted & Karon Sherarts, E.P. Dutton, 1974
- WBEZ 848 radio program - Cool Spots - Real Audio visit which aired August 23, 2001
Mollie Jenson's Zoo and Museum - River Falls, WI
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Souvenir Mollie Jenson Zoo & Museum - Read on Internet Archive
Pathway Through the Bible - Joliet, MT
- Montana Behind the Scenes, Durrae and John Johanek, Two Dot / Falcon Publishing, 2000
- Unsigned, Unsung...Whereabouts Unknown, Jim Roche, Florida State University Gallery & Museum Press, 1993
Prairie Moon Museum and Garden - Cochrane, WI
- Naives and Visionaries, "Herman Rusch: Prairie Moon Museum and Garden", Judith Hoos, E.P. Dutton, 1974
- Circles of Tradition: Folk Arts in Minnesota, Willard B. Moore, Marion John Nelson, Johannes Riedel, Minnesota Historical Society Press, 1989
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Prairie Moon Sculpture Garden - photos
- Jensen Conservation Services - Prairie Moon Garden - restoration photos
- Kohler Foundation - Prairie Moon Sculpture Park & Museum - history, photos, directions
- Narrow Larry's World of the Outstanding - Prairie Moon Garden - photos
- NewLow.org - Prairie Moon Garden - photos
- Portal Wisconsin.org - Prairie Moon Sculpture Garden - QTVR
- Thom.org - Grottos and Other Concrete Places - photos
Rockome Gardens - Arcola, IL
- Your Visit With the... Amish in the Arthur and Arcola Area, by Rockome Gardens - Read on Internet Archive
- SPACES - Martin & Yoder, Rockome Gardens - photos, vintage brochures
- Roadside Architecture – Rockome Gardens – photos
Rudolph Grotto and Wonder Cave - Rudolph, WI
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Official church site - St. Philips Parish Grotto Shrine - photos, maps, directions
- NewLow.org - Rudolph Grotto - photos
Suilmann's Museum - Wabasha, MN
- Penumbra Music travels the globe - Favorite Places - photos
- WBEZ 848 radio program - Cool Spots - Real Audi visit with Joe Suilmann which aired July 20, 2001
Wegner Grotto - Cataract, WI
- Dickeyville Grotto: The Vision of Father Mathias Wernerus, Susan A. Niles, University Press of Mississippi, 1997
- Sacred Spaces and Other Places, Lisa Stone & Jim Zanzi, The School of the Art Institute Press, 1993
- Agility Nut - Wegner Grotto - photos
- Interesting Ideas - The Wegner Grotto - photos
- Kohler Foundation - The Wegner Grotto - history, photos, directions
- NewLow.org - Wegner Grotto - photos
- Portal Wisconsin.org - Paul and Matilda Wegner Grotto - QTVR