<p>The Grand Tour was a rite of passage for the aristocracy, and the adventuresome spirit behind it lives on in modern European itineraries. A longtime travel publisher traces the evolution of this fantastic voyage. Then Rick Steves' Europe guidebook researcher Cameron Hewitt takes a look back on the ways travel has evolved over the past quarter century. And as the Sagrada Fam&iacute;lia stretches ever closer toward completion, one of the project's architects helps us understand what Gaud&iacute;'s ambitious creation means to Barcelona and Catalonia.</p> For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.