Landscapes with water by American artist Sanford Robinson Gifford. Living from 1823 to 1880 he was a Luminist as well as part of the Hudson River School.

"Indians at sunset/Sunset in the Wilderness." ca. 1859.
“Indians at sunset/Sunset in the Wilderness.” ca. 1859. Image © Sotheby’s. Fair use license. Artwork in the United States because the artist died over 70 years ago. via http://www.sothebys.com/en/auctions/ecatalogue/2013/american-art-n08996/lot.12.html
"Isola Bella in Lago Maggiore." 1871.
“Isola Bella in Lago Maggiore.” 1871. Image © 2000–2019 The Metropolitan Museum of Art. Fair use license. Artwork in the public domain because the artist has been dead over 70 years. via https://www.metmuseum.org/toah/works-of-art/21.115.1/
"Wilderness." 1860.
“Wilderness.” 1860. In the public domain in the United States because the artist has been dead over 70 years. via https://leprincelointain.blogspot.com/2018/02/sanford-robinson-gifford-1823-1880.html
"An October afternoon." 1871.
“An October afternoon.” 1871. Collection of the Museum of Fine Arts, Boston. In the public domain. via https://www.mfa.org/collections/object/download/51838
Advertisements

The American West at the dawn of the last century and the last quarter of the one before. Painted by Englishman Thomas Moran (1837-1926). Member of the Hudson River School.

"Shoshone Falls on the Snake River." 1900.
“Shoshone Falls on the Snake River.” 1900. Oil on canvas. Image ©Gilcrease Museum. Artwork in the public domain in the United States because the artist has been dead over 70 years. via https://collections.gilcrease.org/object/01262339
"The great blue spring of the Lower geyser basin, Yellowstone." ca. 1875.
“The great blue spring of the Lower geyser basin, Yellowstone.” ca. 1875. Chromolithograph published by L. Prang and Company. Collection of the Library of Congress http://www.LOC.gov ID 94515827. In the public domain due to age. via https://www.loc.gov/item/94515827/
"Yellowstone Lake." ca. 1875.
“Yellowstone Lake.” ca. 1875. Chromolithgraph. L. Prang and Company, Lithographer. Collection of the Library of Congress http://www.LOC.gov IDpga.12036. In the public domain due to age. via https://www.loc.gov/resource/pga.12036/
"Castle Geyser, Yellowstone." 1874.
“Castle Geyser, Yellowstone.” 1874. Chromolithograph by L. Prang and Company. Collection of the Beinecke Library, Yale University, New Haven. Artwork in the public domain in the United States because the artist has been dead over 70 years. via https://en.wikipedia.org/wiki/File:Castle_Geyser,_Yellowstone,_1874.jpg
"The Golden Hour." 1875.
“The Golden Hour.” 1875. Oil on canvas. Collection of the Blanton Museum of Art, University of Texas at Austin. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Thomas_Moran_-_The_Golden_Hour_-_Google_Art_Project.jpg