The Mouth of a Cave

Landscape with a Cave

Théodore Caruelle d'Aligny

Godesberg

James M. Hart

The Boulder and the Flume

Ralph Albert Blakelock

The Caves of Acradina near Syracuse in Sicily

Jacob Wilhelm Mechau

Ravine at Sorrento

Edouard Bertin

The Hidden Brook

Gustave Courbet

Buitenwand van de grot Oreille de Denys

Louis Ducros

Entrance to Cave from the Lake, from the series, Views in Central Park, New York, Part 2

Louis Prang & Co.

Mountain Landscape

Unknown artist

Norwegian Fell Landscape

Per Gustaf von Heideken

Landscape with Rocky Cliffs and a Waterfall

Gustave Courbet

From Paradise to Purgatory, Newport

William Trost Richards