View of a Valley through a Rocky Arch

Mountainous Landscape with Ruins of a Castle and Three Men in a Cave, Seen through a Stone Gate

Johann Caspar Huber

The Caves of Acradina near Syracuse in Sicily

Jacob Wilhelm Mechau

Buitenwand van de grot Oreille de Denys

Louis Ducros

Rocky Landscape with Sleeping Shepherd

Philip Heinrich Dunker

Travelers at the Rock Arch in the Uttewalder Grund

Johann Moritz Gottfried Jentzsch

Predjama Castle in Krein, Twelve Hours from Trieste

Karl Friedrich Schinkel

Das Schloss Prediama in Crein XII Stund: von Triest

Karl Friedrich Schinkel

Rocky Landscape with Hunters

Johann Christian Reinhart

Mountainous Landscape

Albert Meyering

Berglandschap

Monogrammist IVR (19e eeuw)

A Mountainous Landscape with Travellers on a Road

Jan van Aken

Rivier tussen begroeide rotsen; rechts een weg

A Regnier (nthony?)