Conceptual architecture - Drawings
James Abbott McNeill Whistler, St. Paul’s (1884-87)
akwarelka67 by ~neko-gato - Watercolor and pen - What a master can do with light
Browsing Landscapes & Scenery on deviantART
Designer Lyman Martin's travel journal from the 1940s
John Ruskin (1819-1900) Entrance to the South Transept of Rouen Cathedral 1854
::ART:: Wow this series of drawings by Dan Slavinsky titled 'The Architectural Possibilities of a Threshold' are absolutely stunning.
renaissance architecture nr1 by <a href='http://DragosSulgheru.deviantart.com' target='_blank' rel='nofollow'>DragosSulgheru.de...</a>
mile high skyscraper - Frank Lloyd Wright
Drawing Architecture tumblr site - a collection of architectural drawings. Image shown: Philosopher’s Retreat Andrew McBride. Check this link for awesome drawing goodness and a big dose of ideas.