Skies to lose your self in. Russian landscape painter Arkhip Kuindzhi (1842 to 1910). The earth part very nice too.

"Red Sunset on the Dnieper." 1905-1908.
“Red Sunset on the Dnieper.” 1905-1908. Oil on canvas. Collection of the Metropolitan Museum of Art, New York. In the public domain. via https://www.metmuseum.org/art/collection/search/436833
"After a thunderstorm." 1879.
“After a thunderstorm.” 1879. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Kuindzhi_After_thunderstorm_1879_Sumy.jpg
"Sunset in the Desert." 1900.
“Sunset in the Desert.” 1900. Oil on canvas. In the public domain due to age. via https://arthive.com/arkhipkuindzhi/works/32645~Sunset_in_the_desert.
"Der Elbrus, Mondnacht." 1890-95.
“Der Elbrus, Mondnacht.” 1890-95. Oil on paper mounted on canvas. Collection of the Tretyakov Gallery, Moscow. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Archip_Iwanowitsch_Kuindshi_002.jpg

The green of summer whenever you need it. Landscapes glowing with emerald tones by Russian artist Arkhip Kuindzhi. (1842 to 1910).

"A Birch Grove." 1879.
“A Birch Grove.” 1879. Oil on canvas. Collection of the Tretyakov Gallery, Moscow. In the public domain in the United States because the artist died over 70 years ago. via https://www.wikiart.org/en/arkhip-kuindzhi/a-birch-grove-1879
"Kuindzhi Forest." 1887.
“Kuindzhi Forest.” 1887. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Kuindzhi_Forest_1887.jpg
"A Birch Grove." 1901.
“A Birch Grove.” 1901. Oil on canvas. In the public domain in the United States because the artist has been dead over 70 years. via https://www.wikiart.org/en/arkhip-kuindzhi/a-birch-grove-1901