The Tricolor with a French flag themed balloon ascension in Paris, June 6th 1874. Original from Library of Congress.… Free Image from public domain license 
Hercules Beetle, Scarabaeus Tityus, Striped Click Beetle, Splendid Ground Beetle, Beautiful Capricorn Beetle, Margined… Free Image from public domain license 
Majestically colored portrait of a peacock. Digitally enhanced from our own original plate. Free Image from public domain license 
Lithograph Saturne printed in 1877, by F. Meheux, an antique representation of the planet saturn. Digitally enhanced from our… Free Image from public domain license 
Block printed table cover from the Industrial arts of the Nineteenth Century (1851-1853) by Sir Matthew Digby wyatt (1820… Free Image from public domain license 
Common Peacock, Ringed Pheasant, Horned Pheasant, and Silver Pheasant from A history of the earth and animated nature (1820)… Free Image from public domain license 
Blooming lotus flowers (1920 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Parrot and Pyrus spectabilis illustration from Pictorial Monograph of Birds (1885) by Numata Kashu (1838-1901). Digitally… Free Image from public domain license 
Bowhead Whale Whale Original Antique Ocean Marine Mammal Handcolored Sealife Lithograph. Digitally enhanced from our own… 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 
Clipper Ship Three Brothers, the largest sailing ship in the world published by Currier & Ives. Original from Library of… 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 
Tai (Red Seabream) fish by Kōno Bairei (1844-1895). Digitally enhanced from our own original 1913 edition of Bairei Gakan. Free Image from public domain license 
Image of a nebula taken using a NASA telescope -
Original from NASA. Digitally enhanced by rawpixel. Free Photo from public domain license 
KENNEDY SPACE CENTER, FLA. the fog on Launch Pad 39B is pierced by lights on vehicles and the service structures as Space… Free Photo from public domain license 
The U.S. Air Force's F-16D Automatic Collision Avoidance Technology (ACAT) aircraft eclipsed the sun during a flight, 2009-03… Free Photo from public domain license 
Chinese pattern from L'ornement Polychrome (1888) by Albert Racinet (1825–1893). Digitally enhanced from our own… Free Image from public domain license 
Sand dunes in Southern California. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
The rebuilt St. Paul Catholic Church in Pass Christian after the original was destroyed during 2005 Hurricane Katrina.… Free Photo from public domain license 
A turtle glides through the water at the Texas State Aquarium in Corpus Christi. Original image from Carol M.… Free Photo from public domain license 
A steam train on a heritage railroad that operates excursions in Boone County, Iowa, crosses the 156-foot-tall Bass Point… Free Photo from public domain license 
Rock Creek Park, Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
Slot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.… Free Photo from public domain license 
Aeronautics - Aerial Machines from the book New Popular Educator (1904), a vintage collection of early aerial machines.… Free Image from public domain license 
Locomotive (1891) by Francis William Webb (1836–1906), a beautifully detailed design of an engine train and its compartments.… Free Image from public domain license 
A Perch of Birds (1880) by Hector Giacomelli (1822-1904). Digitally enhanced from our own original plate. Free Image from public domain license 
Air Navigation (1897) from the German series, Meyers Konversations Lexikon, a vintage collection of early flying machines… Free Image from public domain license 
Collection of Various Butterflies from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774).… Free Image from public domain license 
Peacock Butterfly, Camberwall Beauty, Purple Emperor, Glanville Fritillary, Grayling Butterfly, Green Hair Streak, and Silver… Free Image from public domain license 
Couple of deers (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Two cranes (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Iris flowers (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Group of Egrets (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Long-eared owl in ginkgo (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Birds and plants (1900 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Two peacocks on tree branch (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Sparrow on blooming magnolia branch (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally… Free Image from public domain license 
Water Lily (1920 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Young calf standing in a field in rural Alabama. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
L’Histoire Générale des Voyages (1747-1780) by an unknown artist, a collage of colorful rare exotic fish.… Free Image from public domain license 
Illustration of a giraffe from Dictionnaire des Sciences Naturelles by Pierre Jean Francois Turpin (1840). Digitally enhanced… Free Image from public domain license 
An illustration from a book of American Nature Literature and Illustration by Alexander Wilson (1843), a handcolored wood… Free Image from public domain license 
Whale from Natural History Pictures of the Mammals (1824) by Heinrich Rudolf Schinz. Digitally enhanced from our own original… Free Image from public domain license 
La Giraffe (1837) by Florent Prevos (1794-1870), an illustration of an adorable giraffe. Digitally enhanced from our own… Free Image from public domain license 
Railroad Engine by Ehrgott & Forbriger c.1894. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Openings of the Panama Canals by John. S Pughe (1870-1909), a cartoon commentary that suggests that the age of aviation will… Free Image from public domain license 
Cats by Thomas Hunter. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Habitations Champetres published in 1855, by Victor Petit (French, 1817–1874), an aerial view of antique architecture.… Free Image from public domain license 
Bolder-Atlas by Brockhaus, printed in 1849, an antique drawing of vintage astrological spheres and charts and diagrams.… Free Image from public domain license 
Amerique du Nord from Atlas Universel by Arthème Fayard, pseudonyme F. de la Brugere (1836-1895), published in 1878… Free Image from public domain license 
Canna - Atro Nicricans from the book, Beautiful Leaved Plants by Shirley Hibberd (1870), a vintage botany print of gorgeous… Free Image from public domain license 
The ukiyo-e illustration, Camellia and Nightingale by Utagawa Hiroshige, also known as Ando Hiroshige (1797-1858), a… Free Image from public domain license 
Crashing Surf Below the Golden Gate Bridge. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Mandore player from Histoire de l'art égyptien (1878) by Émile Prisse d'Avennes. Original from The New York… Free Image from public domain license 
Salmon Flies from Favorite Flies and Their Histories by Mary Orvis Marbury. Digitally enhanced from our own original 1892… Free Image from public domain license 
Rhinoceros from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774). Digitally enhanced from… Free Image from public domain license 
Sempervivum Canariense Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from… Free Image from public domain license 
Camellia: No. 171 from Iconographie du Genre Camellia ou Description et Figures (1839–1843) by Lorenzo Berlèse.… Free Image from public domain license 
The Kiss (1895) by Edvard Munch. Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Adiantum Assimile and A. Lunulatum from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from… Free Image from public domain license 
Cactus Cochenillifer Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from… Free Image from public domain license 
Aloe Ferox Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from Biodiversity… Free Image from public domain license 
Acrostichum Alienum from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from Biodiversity Heritage… Free Image from public domain license 
Arenaria Balearica Image from Stirpes Novae aut Minus Cognitae (1784) by Pierre-Joseph Redouté and Charles Louis… Free Image from public domain license 
Gordonia pubescens or Franklinia pl. 59 (1819) from The North American Sylva by François André Michaux.… Free Image from public domain license 
Columbine, Marigold and Pheasant's Eye from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and Sentiments… Free Image from public domain license 
Iris Pumila from The genus Iris by William Rickatson Dykes (1877-1925). Original from The Biodiversity Heritage Library.… Free Image from public domain license 
Polypodium Lycopodioides from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from Biodiversity… Free Image from public domain license 
Cactus Mammillaria Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from Biodiversity… Free Image from public domain license 
Detail of the Walt Disney Center Concert Hall in downtown Los Angeles, California. It is the fourth hall of the Los Angeles… Free Photo from public domain license 
Fog rolls across the Golden Gate Bridge in San Francisco, California. Original image from Carol M. Highsmith’s America.… Free Photo from public domain license 
Skyline view of Los Angeles, California. Original image from Carol M. Highsmith’s America. Digitally enhanced by… Free Photo from public domain license 
Indian Antelope (Antilope cervicapra) Head and horn 1. Young; 2. Adult from Illustrations of Indian zoology (1830-1834) by… Free Image from public domain license 
Paper hangings from the Industrial arts of the Nineteenth Century (1851-1853) by Sir Matthew Digby wyatt (1820-1877). Free Image from public domain license 
Specimen of Indian embroidery from the Industrial arts of the Nineteenth Century (1851-1853) by Sir Matthew Digby wyatt (1820… Free Image from public domain license 
Campbell's magnolia (Magnolia Campbellii), Flowering plant from Illustrations of Himalayan plants (1855) by W. H. (Walter… Free Image from public domain license 
Human skeleton illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Indian peafowl (Pavo Cristatus) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own… Free Image from public domain license 
Pink Flamingo from Birds of America (1827) by John James Audubon (1785 - 1851 ), etched by Robert Havell (1793 - 1878).… Free Image from public domain license 
Colourful and surreal illustrations of fishes found in Moluccas (Indonesia) and the East Indies by Louis Renard (1678 -1746)… 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 
Cranes from Momoyogusa–Flowers of a Hundred Generations (1909) by Kamisaka Sekka. Original from the The New York Public… Free Image from public domain license 
Insects and Flowers (Qing dynasty ca. 1644–1911) by Ju Lian. Original from The Getty. Digitally enhanced by rawpixel. Free Image from public domain license 
Noordpool (ca. 1869–1907) by Nijgh & Van Ditmar. Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Cerfs et arbres, papier peint. Écureuil oiseaux et sorbier, bordure from L'animal dans la décoration (1897)… Free Image from public domain license 
Noua, et integra uniuersi orbis descriptio (1531) by Oronce Finé. Original from Library of Congress. Digitally… 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 
Nova totius terrarum orbis geographica ac hydrographica tabula (1635–1649) by Jan Aertse van den Ende. Original from… Free Image from public domain license 
清 佚名 台南地區荷蘭城堡 Forts Zeelandia and Provintia and the City of Tainan (ca. 1900s) by anonymous. Original from The MET Museum.… Free Image from public domain license 
Bowles's new pocket map of the world: laid down from the latest observations and comprehending the new discoveries to the… Free Image from public domain license 
Plattegrond van Parijs (ca. 1721–1774) by Guillaume Delisle. Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Baby (Cradle) (ca. 1917–1918) by Gustav Klimt. Original from The National Gallery of Art. Digitally enhanced by… Free Image from public domain license 
Orbis terrae compendiosa descriptio : quam ex magna universali Gerardi Mercatoris Domino Richardo Gartho, geographie ac… Free Image from public domain license