Ruins of the Temple of Zeus, Baalbek (1868)

Salzburg, Austria from the East (1868)

Schoodic Peninsula from Mount Desert at Sunrise (1850-55)

Seascape with Iceberg (1859)

Seascape with Icecap in the Distance (1859)

Seascape (1859)

Seascapes, Newfoundland, July 6, 1859 (1859)

South American Landscape (1854)

St. Peter’s Basilica from the Pincio, Rome (1868 or early 1869)

St. Peter’s, Rome (1868-69)

Street Leading to a Church,Guayaquil, Ecuador (1857)

Street with Houses, Guayaquil, Ecuador (1857)

Study for ‘Apotheosis to Thomas Cole’ (1847)

Study for ‘Imaginary S. American Landscape’ (1857)

Study in the Maine Woods (1855-65)

Study of Rocks, Petra (1868)

Summer landscape (1870-80)

Summer landscape (1870-80)

Summer View, Hudson Valley, New York (1870-80)

Sun or Moon Rising over Porcupine Islands, Bar Harbor (1860)

Sunset across the Catskills (1870-80)

Sunset across the Hudson Valley, New York (1870)

Sunset Across the Hudson Valley, Winter (1870-80)

Sunset across the Hudson Valley (1870)

Sunset and Mountains (1865)

Sunset at Hudson, New York (1860)

Sunset cloud study (1880)

Sunset cloud study (1880)

Sunset II (1865)

Sunset in Jamaica, West Indies (1865-66)