1. A Tour of America's Best Hospitals 2010-11

2. It's no secret that all hospitals are not equal  The special quality shared by the 152 that made it into the new 2010-11  Best Hospitals rankings (out of nearly 5,000 that were considered), and even more so by the 14 in this year's Honor Roll, is their ability to take on and meet the most difficult challenges.

3. 1. Johns Hopkins Hospital, Baltimore

4. 2. Mayo Clinic, Rochester, Minn.

5. 3. Massachusetts General Hospital, Boston

6. 4. Cleveland Clinic

8. 6. New York-Presbyterian University Hospital of Columbia and Cornell

9. 7. University of California, San Francisco Medical Center

10. 8. Barnes-Jewish Hospital/Washington University, St. Louis

11. 9. Hospital of the University of Pennsylvania, Philadelphia

12. . Duke University Medical Center, Durham, N.C.

13. 11. Brigham and Women's Hospital, Boston

14. 12. University of Washington Medical Center, Seattle

15. 13. UPMC-University of Pittsburgh Medical Center

16. 14. University of Michigan Hospitals and Health Centers, Ann Arbor