The following sites are now closed and have been removed (in no order):
Birmingham, AL
Bozeman, MT
Buffalo, NY
Norfolk, VA
Oakland, CA
Woodcliff Lake, NJ
Riverside, CA
Seoul, South Korea
Springfield, IL
Madrid, Spain
South Bend, IN
Grand Rapids, MI
Portland, OR
Lehi, UT
Pittsburgh, PA
Chapel Hill, NC
Salt Lake City, UT
Charlottesville, VA
Beijing, China
Baltimore, MD
St. Louis, MO
Montgomery, AL
Nashville, TN
Ann Arbor, MI
Orlando, FL
Tampa, FL
Hong Kong
London, England