CHICAGO, Oct. 18 (UPI) -- Architect Santiago Calatrava has filed a lien against the developer of the Chicago Spire, a planned 150-story building in the city's downtown, records show.

VENICE, Italy, July 15 (UPI) -- Venice, Italy's famed Grand Canal is about to get its first new bridge in several hundred years.

VENICE, Italy, May 9 (UPI) -- Engineers in Venice are testing a new bridge in an aircraft hangar to make sure its weight won't collapse the banks of the Grand Canal.

VENICE, Italy, Jan. 17 (UPI) -- Venice, Italy, is set to get its first bridge in more than 70 years, designed by world-renowned engineer Santiago Calatrava.

DALLAS, July 30 (UPI) -- Plans for a series of suspension bridges to liven up the Dallas skyline are on hold after construction bids came in at nearly double the project's budget.

CHICAGO, July 26 (UPI) -- A Chicago developer proposed North America's tallest building -- the 1,458-foot Fordham Spire, which skyscraper builder Donald Trump dismissed as "insane."