Among the Sierra Nevada, California

Lake Lucerne

Rocky Mountain Landscape

A Storm in the Rocky Mountains, Mt. Rosalie

Looking Down Yosemite Valley, California

Yellowstone Falls

The Rocky Mountains, Lander's Peak

Puget Sound on the Pacific Coast

Sierra Nevada Morning

Mount Corcoran

The Last of the Buffalo

Buffalo Trail: The Impending Storm

Evening Glow

Summer Afternoon with a Passing Shower. The Deer Park in Jægersborg North of Copenhagen

Cours d'eau sous bois

Landscape with Yellow Bush

Autumn in North America

Danish Winter Landscape with Dolmen

Sortie de forêt à Fontainebleau, soleil couchant

Sierra Nevada Morning

Hetch Hetchy Canyon

June Day

A Vista through Trees: Fontainebleau

Estes Park, Colorado, Whyte's Lake