The Sulphurbottom (Sibbaldius sulfureus) from Natural history of the cetaceans and other marine mammals of the western coast… Free Image from public domain license 
Le Ballon by Imprimeur E. Pichot. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Total eclipse of the sun from the Trouvelot
astronomical drawings (1881-1882) by E. L. Trouvelot (1827-1895) Free Image from public domain license 
An astronomy lithograph the Eclipse of the Moon printed in 1908, an antique celestial chart of phases of the moon in the… Free Image from public domain license 
A colorful solar system chart from the Twentieth Century Atlas of Popular Astronomy (1908), by Thomas Heath BA (1861-1940).… Free Image from public domain license 
Twentieth Century Transportation, a chromolithograph by E.S Yate. Original from Library of Congress. Digitally enhanced by… Free Image from public domain license 
Woman with a Parasol, Madame Monet and Her Son (1875) by Claude Monet. Original from the National Gallery of Art. Digitally… Free Image from public domain license 
A colorful solar system chart from The Twentieth Century Atlas of Popular Astronomy (1908), by Thomas Heath BA (1861-1940).… Free Image from public domain license 
Furisode with a Myriad of Flying Cranes (1910–1920) by anonymous. Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
"Hands up!" Photomechanical Print Showing a Santa Claus Pointing a Handgun (1912) by Will Crawford. Original from Library of… Free Image from public domain license 
Egret in the rain (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Vintage illustration "The belle of the ballet" published in 1899 by Julius Mendes. Original from New York public library.… Free Image from public domain license 
Zig-zag Passenger and Freight Train by an unknown artist. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
The Postman (Joseph Roulin) (1888) by Vincent Van Gogh. Original from the Barnes Foundation. Digitally enhanced by rawpixel. Free Image from public domain license 
Splashing Figure (Study for “The Large Bathers”) (1884–1885) by Pierre-Auguste Renoir. Original from The… Free Image from public domain license 
Wheelman in ‘A Red Hot Finish', illustration by John Cameron. Original from Library of Congress. Digitally enhanced by… Free Image from public domain license 
The Thirty-Six Star Flag of the United States of America by an unknown artist. Original from Library of Congress. Digitally… Free Image from public domain license 
Approach of the simoom Desert of Gizeh illustration by David Roberts (1796–1864). Original from The New York Public… Free Image from public domain license 
Illustration of the view when looking from within the tunnel into the station from Illustrated description of the Broadway… Free Image from public domain license 
In the Shadow of the Wing, the Black Creature Bit (1891) by Odilon Redon. Original from The MET museum. Digitally enhanced by… Free Image from public domain license 
To All Appearances, It Has a Hand of Flesh and Blood Just Like My Own (1896) by Odilon Redon. Original from The MET museum.… Free Image from public domain license 
There Was Perhaps a First Vision Attempted by the Flower (1883) by Odilon Redon. Original from the National Gallery of Art.… Free Image from public domain license 
Vintage woodblock print of Japanese textile from Shima-Shima (1904) by Furuya Korin. Digitally enhanced from our own original… Free Image from public domain license 
Egyptian pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Illustration from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own original… Free Image from public domain license 
Greek-Roman pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Renaissance pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Renaissance pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Egyptian pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Mosaic pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
18th Century pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Peacock (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Evocation of Roussel (1912) by Odilon Redon. Original from the National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
In the Waves (Dans les Vagues) (1889) by Paul Gauguin. Original from The Cleveland Museum of Art. Digitally enhanced by… Free Image from public domain license 
Mount Fuji from Momoyogusa–Flowers of a Hundred Generations (1909) by Kamisaka Sekka. Original from the The New York… Free Image from public domain license 
Deer from Momoyogusa–Flowers of a Hundred Generations (1909) by Kamisaka Sekka. Original from the The New York Public… Free Image from public domain license 
Aerial view of New York City, in which the World Trade Center Twin Towers is prominent. Original image from Carol M.… Free Image from public domain license 
Glory and Praise To You, Satan, In the Heights of Heaven, Where You Reigned, and in the Depths of Hell, Where, Vanquished… Free Image from public domain license