Check out Running Routes for great new runs from around the world:

-- The 3-Park loop through central Amsterdam
-- Running to the top of Barcelona's Montjuic Hill
-- A run along an old Roman road in England's Cotswald Hills
-- San Francisco Downtown/Embarcadero/Nob Hill
-- San Francisco Fort Mason/Telegraph Hill/Lombard Street
-- Running Oslo's Tryvann wilderness trails

-- Madrid's Retiro Park and Prado

-- Potsdam's Prussian heritage loop

-- St. Augustine FL old-town loop

-- Boulder CO hill run

As always: non-profit, with maps, pictures and detailed route descriptions.