Zodiaque or La Plume (ca. 1896–1897) by Alphonse Maria Mucha. Original from The Art Institute of Chicago. Digitally… Free Image from public domain license 
Masks worn during experiments with plague. Manila, Philippines (1912). Original image from National Museum of Health and… Free Image from public domain license 
Naked Japanese woman posing sensually with a kimono, vintage erotic art. Study of Flesh Color and Gold (1888) by William… Free Image from public domain license 
The Dance Class (1874) painting in high resolution by Edgar Degas. Original from The MET Museum. Digitally enhanced by… Free Image from public domain license 
Fantastic flower motif from "Nouvelle Suitte de Cahiers de fleurs idéales" by Jean–Baptiste Pillement… Free Image from public domain license 
Under the Horse Chestnut Tree (1896–1897) by Mary Cassatt. Original portrait painting from The Art Institute of… Free Image from public domain license 
May Picture (1925) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
The Harbinger of Autumn (1922) by Paul Klee. Original from Yale University Art Gallery. Digitally enhanced by rawpixel. Free Image from public domain license 
Temple Gardens (1920) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Heitere Gebirgslandschaft (Joyful Mountain Landscape) (1929) by Paul Klee. Original from Yale University Art Gallery.… Free Image from public domain license 
Wreath of Laurel, Palm, and Juniper with a Scroll inscribed Virtutem Forma Decorat (ca.1474–1478) by painting in high… Free Image from public domain license 
Studies of Summer Flowers (ca. 1848) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale… Free Image from public domain license 
Red green and Violet–Yellow Rhythms (1920) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
I Saw the Figure 5 in Gold (1928) painting in high resolution by Charles Demuth. Original from The MET Museum. Digitally… Free Image from public domain license 
Boy in Fancy Dress (1931) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Studies of Flowers (1848) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale University Art… Free Image from public domain license 
Retour (1897) print in high resolution by Georges de Feure. Original from The Cleveland Museum of Art. Digitally enhanced by… Free Image from public domain license 
Persische Nachtigallen (Persian Nightingales) (1917) by Paul Klee. Original portrait painting from The Art Institute of… Free Image from public domain license 
Colorful Architecture (1917) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Statue of Liberty (1916) from Postcards: New York Series I in high resolution by Rachael Robinson Elmer. Original from The… Free Image from public domain license 
Northeaster (1895) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Red Poppies (1929) painting in high resolution by Charles Demuth. Original from The MET Museum. Digitally enhanced by… Free Image from public domain license 
Boomrijk landschap painting in high resolution by Georges de Feure (1878–1943). Original from The Rijksmuseum.… Free Image from public domain license 
Vintage Flower Illustration (1899) print in high resolution by Edward Penfield. Original from Library of Congress. Digitally… Free Image from public domain license 
Woman holding cats (1898) print in high resolution by Edward Penfield. Original from The New York Public Library. Digitally… Free Image from public domain license 
Ginevra de' Benci (ca.1474–1478) painting in high resolution by Leonardo da Vinci. Original from The National Gallery… Free Image from public domain license 
Sailing off Gloucester (ca.1880) by Winslow Homer. Original from Yale University Art Gallery. Digitally enhanced by rawpixel. Free Image from public domain license 
Winter Landscape in Moonlight (1919) painting in high resolution by Ernst Ludwig Kirchner. Original from The Detroit… Free Image from public domain license 
In the Garden (1874) by Winslow Homer. Original from The National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Tiger in a Cave (ca. 1814) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale University Art… Free Image from public domain license 
Woman holding book (1896) print in high resolution by Edward Penfield. Original from Library of Congress. Digitally enhanced… Free Image from public domain license 
The Large Cow Lying Down (1929) print in high resolution by Ernst Ludwig Kirchner. Original from The National Gallery of Art.… Free Image from public domain license 
Northeaster (1895) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Jane Avril (1899) print in high resolution by Henri de Toulouse–Lautrec. Original from The Sterling and Francine Clark… Free Image from public domain license 
College crews (ca. 1908) print in high resolution by Edward Penfield. Original from Library of Congress. Digitally enhanced… Free Image from public domain license 
Vanitas Still Life (ca.1665–1670) painting in high resolution by Jan van Kessel. Original from The National Gallery of… Free Image from public domain license 
Man and woman on street (ca. 1890–1907) print in high resolution by Edward Penfield. Original from The New York Public… Free Image from public domain license 
Piano Mover's Holiday (1919) painting in high resolution by Charles Demuth. Original from The Barnes Foundation. Digitally… Free Image from public domain license 
Angel Applicant (1939) by Paul Klee. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
In the Spirit of Hoffmann (1921) by Paul Klee. Original from The Minneapolis Institute of Art. Digitally enhanced by… Free Image from public domain license 
Bern with Belltower (1935) painting in high resolution by Ernst Ludwig Kirchner. Original from The Minneapolis Institute of… Free Image from public domain license 
La source du Mal (The Source of Evil) (1894) print in high resolution by Georges de Feure. Original from Minneapolis… Free Image from public domain license 
Woolworth Building June Night (1916) from Postcards: New York Series I in high resolution by Rachael Robinson Elmer. Original… Free Image from public domain license 
Two–masted Schooner with Dory (1894) by Winslow Homer. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
After Sir Christopher Wren (1920) painting in high resolution by Charles Demuth. Original from The MET Museum. Digitally… Free Image from public domain license 
Zebra (1803) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale University Art Gallery.… Free Image from public domain license 
Clouded Leopards (ca. 1825) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale University… Free Image from public domain license 
Two Parrots on a Barren Tree (ca.1916) by Charles Demuth. Original from Yale University Art Gallery. Digitally enhanced by… Free Image from public domain license 
Machinery (1920) painting in high resolution by Charles Demuth. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
C.–C. = Fisch (1931) by Paul Klee. Original from The Minneapolis Institute of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Snap the Whip (1872) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Cats under a tree (1898) print in high resolution by Edward Penfield. Original from The New York Public Library. Digitally… Free Image from public domain license 
Eagle Head, Manchester, Massachusetts (High Tide) (1870) by Winslow Homer. Original from The MET museum. Digitally enhanced… Free Image from public domain license 
A Lady's Grey Hunter (ca. 1806) painting in high resolution by Jacques–Laurent Agasse. Original from The Yale… Free Image from public domain license 
The Visit - Couple and Newcomer (1922) painting in high resolution by Ernst Ludwig Kirchner. Original from The National… Free Image from public domain license 
Le Cirque Corvi (ca. 1893) painting in high resolution by Georges de Feure. Original from The Sterling and Francine Clark Art… Free Image from public domain license 
The Sofa (ca.1894–1896) painting in high resolution by Henri de Toulouse–Lautrec. Original from The MET Museum.… Free Image from public domain license 
Undertow (1886) by Winslow Homer. Original from The Clark Art Institute. Digitally enhanced by rawpixel. Free Image from public domain license 
Head of Buddha (1943) print in high resolution by Reijer Stolk. Original from the Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
College rowing club (ca. 1907) print in high resolution by Edward Penfield. Original from ThLibrary of Congress. Digitally… Free Image from public domain license 
Ride a Stearns and be content (1896) print in high resolution by Edward Penfield. Original from Library of Congress.… Free Image from public domain license 
The Cotton Pickers (1876) by Winslow Homer. Original from Los Angeles County Museum of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Silk with Art Nouveau Design (1900) textile design in high resolution by Georges de Feure. Original from The Cleveland Museum… Free Image from public domain license 
The Veteran in a New Field (1865) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
At the Moulin Rouge (ca. 1892–1895) painting in high resolution by Henri de Toulouse–Lautrec. Original from The… Free Image from public domain license 
Nieuwjaarswens van Octave Uzanne voor het jaar 1897 (1896) print in high resolution by Georges de Feure. Original from The… Free Image from public domain license 
The Flirt (1874) by Winslow Homer. Original from The National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Rue des Moulins (1894) painting in high resolution by Henri de Toulouse–Lautrec. Original from National Gallery of Art.… Free Image from public domain license 
Girl Carrying a Basket (1882) by Winslow Homer. Original from The National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Butterfly, Caterpillar, Moth, Insects, and Currants (1650–1655) painting in high resolution by Jan van Kessel. Original… Free Image from public domain license 
American Flamingo (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. Free Image from public domain license 
Woman holding umbrella (1897) print in high resolution by Edward Penfield. Original from Library of Congress. Digitally… Free Image from public domain license 
Cafe (1928) painting in high resolution by Ernst Ludwig Kirchner. Original from The Detroit Institute of Arts. Digitally… Free Image from public domain license 
Girl in White Chemise (1914) painting in high resolution by Ernst Ludwig Kirchner. Original from Yale University Art Gallery.… Free Image from public domain license 
Nuthatcher atop Persimmons (ca. 1910) by Ohara Koson. Original from The Clark Art Institute. Digitally enhanced by rawpixel. Free Image from public domain license 
Fishing Boats, Key West (1903) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Dressing for the Carnival (1877) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Tughra: Shah Muhammad bin Ibrahim Khan, al-muzaffar daima (ca. 1648–1687) during Ottoman period, reign of Sultan Mehmed… Free Image from public domain license 
Insects, Butterflies, and a Grasshopper during 17th century painting in high resolution by Jan van Kessel. Original from The… Free Image from public domain license 
Boys Wading (1873) by Winslow Homer. Original from The National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Zurich (1926) painting in high resolution by Ernst Ludwig Kirchner. Original from The Minneapolis Institute of Art. Digitally… Free Image from public domain license 
Woman in black dress (ca. 1890–1907) print in high resolution by Edward Penfield. Original from The New York Public… Free Image from public domain license 
Two Nudes in a Room (1914) painting in high resolution by Ernst Ludwig Kirchner. Original from The Los Angeles County Museum… Free Image from public domain license 
A Basket of Clams (1873) by Winslow Homer. Original from The MET museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Marcelle Lender Dancing the Bolero in Chilpéric (1895-1896) painting in high resolution by Henri de… Free Image from public domain license 
Aristide Bruant, in His Cabaret (1893) print in high resolution by Henri de Toulouse–Lautrec. Original from The Art… Free Image from public domain license 
The Bridle Path, White Mountains (1868) by Winslow Homer. Original from The Clark Art Institute. Digitally enhanced by… Free Image from public domain license 
Seated Girl (1910) painting in high resolution by Ernst Ludwig Kirchner. Original from The Minneapolis Institute of Art.… Free Image from public domain license 
Couple in a carriage (ca.1902) print in high resolution by Edward Penfield. Original from Library of Congress. Digitally… Free Image from public domain license 
Cows in Spring (1933) print in high resolution by Ernst Ludwig Kirchner. Original from The Detroit Institute of Arts.… Free Image from public domain license 
Man playing Golf (ca. 1890–1907) print in high resolution by Edward Penfield. Original from The New York Public… Free Image from public domain license 
Woman holding a horse racing ticket (1895) print in high resolution by Edward Penfield. Original from Library of Congress.… Free Image from public domain license 
Dancing Couple in the Snow, reverse (ca.1928–1929) painting in high resolution by Ernst Ludwig Kirchner. Original from… Free Image from public domain license 
Red Siskin (2016). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. Free Image from public domain license 
Carmen (ca. 1884 ) painting in high resolution by Henri de Toulouse–Lautrec. Original from The Sterling and Francine… Free Image from public domain license 
Advertising design for Lamps (1906–1945) print in high resolution by Reijer Stolk.. Original from the Rijksmuseum.… Free Image from public domain license 
Robin on a Maple Branch (1935) by Ohara Koson. Original from The Los Angeles County Museum of Art. Digitally enhanced by… Free Image from public domain license 
Bathing Women - Moritzburg (1910) print in high resolution by Ernst Ludwig Kirchner. Original from Yale University Art… Free Image from public domain license 
Anatomical study of a man's neck, arm and leg muscles in silhouette (1906–1945) print in high resolution by Reijer… Free Image from public domain license 
Monsieur Boileau at the Café (1893) painting in high resolution by Henri de Toulouse–Lautrec. Original from The… Free Image from public domain license