Salmon River Mountains

Curious Grassy Bluffs, St. Peter's River

George Catlin

Grassy Bluffs, Upper Missouri

George Catlin

View of the Crystal Mountains, Brazil

George Catlin

Berglandschap in Tirol

Johannes Tavenraat

Boslandschap

Johannes Tavenraat

Landscape Study with Clouds

Emile Loubon

View in the Crystal Mountains

George Catlin

Winter Sunrise, Monadnock

Abbott H. Thayer

Lyngbakker ved Rye

Harald Foss

Italiensk bjerglandskab

Poul S. Christiansen

Fir Trees and Storm Clouds

Albert Bierstadt

The Beetle Crevice

George Catlin