The Boulder and the Flume

The Mouth of a Cave

Hubert Robert

Mountain Stream in Caucasia

Hugo Simberg

Finnish Forest Landscape

Werner Holmberg

The Source of the Loue

Gustave Courbet

Godesberg

James M. Hart

Duinweg

Guillaume Anne van der Brugghen

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

Louis Prang & Co.

Landscape with Rocky Cliffs and a Waterfall

Gustave Courbet

Landscape with a Cave

Théodore Caruelle d'Aligny

A Study of Trap Rock (Buttermilk Falls)

John Henry Hill

Woodland Stream

Paul Huet

Mountain Stream in the Auvergne

Théodore Rousseau