Japanese giant salamander (Andrias japonicus)
Henri Poincaré, French mathematician, theoretical physicist
Crucifixion (Andrea Mantegna, 1457–1459)
Hypocaust - central heating in a roman bath (from Das...
Robert Peary and Frederick Cook find out, who first...
Last pages from Mozart's "Verzeichnis aller meiner...
German king Henry IV begging Matilda of Canossa...
Bowhead whale (Balaena mysticetus) from Brehm's Animal...
Story of deluge in Madrid Codex
Albrecht Dürer's House, Nuremberg, Germany (from Das...
Late blight in potatoes (from Meyers Lexikon, 1896,...
Greater bird-of-paradise (1), six-plumed bird-of paradise...
16th century duch warship, copper engraving by Claes...
William Farel, french evangelist (from Spamers...
Silhouette of Francesco Benucci, italian singer and...
Assyrian cylinder seal - offering sacrifice (from Meyers...
Northern crested newt (Triturus cristatus)
Detail of Victory Memorial to Soviet Army (Riga, Latvia)
Portrait of german composer Johann Sebastian Bach
Rudolf Diesel (1858-1913), German engineer who invented...
Battle of Mactan in the Philippines (death of Magellan),...
Development of British Empire (from Meyers Lexikon, 1895,...
Poison hemlock (Conium maculatum) (from Meyers Lexikon,...
Four-part invention from Bach's "Wohltemperierte Klavier"...
Fortification project by Leonardo da Vinci
Portrait of german banker Jakob Fugger by Albrecht Dürer,...
Maria Anna Mozart as a child (1763, by Lorenzoni?)
High frequency transformer (Tesla coil)
Renaissance style forging (locks and keys)
Illustration of Euclid's fifth postulate (from Meyers...
Europa and the bull (at right Eros and Agenor, his father)
Canadian hemlock (Tsuga canadensis) (from Meyers Lexikon,...
Turkish bombard from 16th centuri (92 cm)
First german paddle steamer “Die Weser”
American mink (Neovison vison)