Color Illustration of waterfall in Niagara Cave

Waterfall inside Niagara Cave

Postcard with a color illustration of a waterfall inside Niagara Cave, Harmony, Minnesota, ca. 1945.

Photograph of Stalactite Room at Niagara Cave

Stalactite Room, Niagara Cave

A chamber with stalactites called the Stalactite Room inside Niagara Cave, Harmony, Minnesota, ca. 1941.

Photograph of entrance lodge at Niagara Cave, 1940

Entrance lodge of Niagara Cave

Niagara Cave, Harmony, Minnesota, ca. 1940.

Photo of "flirtation walk" at Niagara Cave

Flirtation Walk inside Niagara Cave

Niagara Cave, Harmony, Minnesota, ca. 1936.

Niagara Cave Stairway

Niagara Cave

Niagara Cave, Harmony, Minnesota, ca. 1934.

Niagara Cave

Niagara Cave

Niagara Cave, Harmony, Minnesota, ca. 1934.

Niagara Cave Halls

Halls of Niagara Cave

Niagara Cave, Harmony, Minnesota, ca. 2010s. Used with the permission of Niagara Cave.

Niagara Cave

Since its opening as a tourist attraction in 1934, Niagara Cave near Harmony has welcomed thousands of visitors from around the world into its inspiring environment. The unique underground space is filled with distinctive rock architecture and naturally carved pathways created by freshwater underground streams.

Photograph of St. Olaf College campus windmill

St. Olaf College campus windmill

St. Olaf College’s windmill. Photograph by David Gonnerman, 2007

Lake Superior and its border lakes

Map of Lake Superior and its border lakes

Detail of a map of Lake Superior and its border lakes showing the location of Grand Portage. From Bruce White’s “Grand Portage as a Trading Post: Patterns of Trade at ‘The Great Carrying Place,’” a report prepared for the National Park Service (2005).

Pages

Subscribe to RSS - Environment