Crystal Cave, Limestone cave in Put-in-Bay, Ohio, US
The cave walls contain extensive celestine crystal formations, with some minerals extending several feet from the rock surfaces to create geometric patterns.
German immigrant Gustav Heineman discovered the cave in 1897 while digging a well for his winery, leading to its development as a tourist attraction.
The cave became central to the local economy during Prohibition, when the winery above it transformed into a grape juice producer and tourist destination.
Guided tours of Crystal Cave operate from May through September, with visitors descending 40 feet underground to explore the mineral formations.
Crystal Cave contains the largest known geode formation of celestine crystals in the world, with pure crystals reaching up to 3 feet in length.
Location: Ohio
GPS coordinates: 41.64690,-82.82810
Latest update: May 12, 2025 02:09
The underground world contains caves with crystals, limestone formations, and prehistoric art. These geological structures range from ice caves in Austria to marble chambers in Chile. Some caves house underground rivers, luminescent glowworms, or fossil deposits.
This selection presents natural and cultural sites in Ohio. It includes waterfalls in Cuyahoga Valley, historic mills, prehistoric sites, and art museums. The locations range from state parks and nature preserves to archaeological sites and historical buildings.
Perry's Victory and International Peace Memorial
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East Harbor State Park
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African Safari Wildlife Park
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Green Island
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Kelleys Island State Park
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South Bass Island Light
2.3 km
Jay Cooke House
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Inscription Rock
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Liberty Aviation Museum
15.6 km
Gull Island Shoal
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Catawba Island State Park
8.4 km
Fort Sandoské
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Kelleys Island State Park Public Beach
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Green Island Light
3.3 km
The Watering Hole Safari and Waterpark
15.5 km
First Congregational Church
14 km
Lime Kiln Beach
2 km
Perry's memorial lighthouse
1.6 km
Orchestra Hall
13.1 km
North Swimming Beach
10.1 km
Marblehead Lighthouse State Park
15.6 km
Kelleys Island South Shore Historic District
11.4 km
North Pond Barrier Beach
11.3 km
The Island House
11.4 km
Oak Point State Park
757 m
Kellys Island Branch
11 km
Glacial Grooves State Memorial
10.6 km
Kelleys Island Historic District
11.4 kmReviews
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