Castles in the air, architectural drawings out of the Viennese Secession to dream your way into. Not sure they were all even built and not sure that matters. Otto Schönthal, architect (1878-1961).

Design for a villa. No date.
Design for a villa. No date. © Estate of the artist. Fair use license. via https://all-drawings.livejournal.com/449497.html
Architectural rendering. 1902.
Architectural rendering. 1902. © Estate of the artist. Fair use license. via https://all-drawings.livejournal.com/449497.html
Design for a domed synagogue, Trieste. ca. 1903.
Design for a domed synagogue, Trieste. ca. 1903. Pencil and colored washes on tracing paper. Collaboration by Schönthal with Emil Hoppe. © Estates of the artists. Image © drawingmatter.org. Fair use license. via https://www.drawingmatter.org/index/emil-hoppe-and-otto-schonthal-design-domed-synagogue-trieste-dm1923/

Pages from a picture book made in 1904 by Koloman Moser for his niece. Not quite as much fun as having him make one for you or me but close.

"Eight funny squirrels."
“Eight funny squirrels.” Ink and red colored pencil on paper. Collage. In the public domain in the United States because the artist has been dead over 70 years. Private collection. via https://commons.wikimedia.org/wiki/File:Kolo_Moser_-_Bilderbuch6_-_1904.jpeg
"Fly bird."
“Fly bird.” Colored pencil and ink on paper. Private Collection. In the public domain because the artist has been dead over 70 years. via https://theartstack.com/artist/koloman-moser/flieg-voglein
"Mushroom Mouse."
“Mushroom Mouse.” Ink and colored pencil on paper. Private collection. In the public domain because the artist has been dead over 70 years. via https://www.wikiart.org/en/koloman-moser/picture-book-for-the-niece-of-ditha-mautner-von-markhof-1904-8