A 1899 lithograph by <n>Odilon Redon</n> from the series <n>The Apocalypse of Saint John</n>.

<n>Pèlerin du monde sublunaire</n> (1891), a lithograph by French artist <n>Odilon Redon</n>.

<n>The Empyrean</n> (1867) by <n>Gustave Doré</n>, an illustration for <n>Dante Alighieri</n>'s <n>The Divine Comedy</n>.

<n>Pèlerin du MONDE SUBLUNAIRE</n> (1896) by <n>Odilon Redon</n>.

<n>I Saw an Angel Come Down From Heaven</n> (1899) by artist <n>Odilon Redon</n>.

<n>Battle Field</n> (1907), a print by <n>Käthe Kollwitz</n> from her <n>Peasants' War</n> cycle.

Art by <n>John Martin</n> based on <n>John Milton</n>'s poem <n>Paradise Lost</n>.

<n>À l'horizon l'Ange des Certitudes...</n> (1882), a lithograph by <n>Odilon Redon</n> for his series <n>À Edgar Poe</n>.

<n>Rodin Sculpting</n> (1897) by <n>Eugène Carrière</n>, a lithograph depicting sculptor <n>Auguste Rodin</n>.

<n>Spongosphaera streptacantha</n> and <n>Dictyosoma trigonizon</n> from <n>Ernst Haeckel</n>'s 1862 monograph <n>Die Radiolarien</n>.

An 1862 illustration of Radiolaria by <n>Ernst Haeckel</n> from his monograph <n>Die Radiolarien</n>.

<n>Gustave Doré</n>'s 1867 engraving, <n>The Sparkling Circles of the Heavenly Host</n>, for <n>Dante Alighieri</n>'s <n>Paradiso</n>.

<n>The Spectre Rose into Space</n> (1897) by <n>O. Guillonnet</n> for <n>Camille Flammarion</n>'s book <n>Lumen</n>.

<n>A Seated Youth</n>, a chalk drawing by <n>François Lemoyne</n> from about 1725-1730.

<n>The Lovers' Whirlwind</n> (1824-27) by <n>William Blake</n>, an illustration for Dante's Divine Comedy.