I'll bite again. These are not only the best and most amazing places where we've ever stayed, but also the only places to which I'd consistently consider returning.
Amanjiwo, Indonesia
Singita Boulders, South Africa
Taj Umaid Bhawan Palace, India
Amangiri, USA
The Upper House, Hong Kong
Peninsula Shanghai, China
Gritti Palace, Italy
La Residence, South Africa
Amankila, Indonesia
Cavas Wine Lodge, Argentina
Cayo Espanto, Belize
St. Regis San Francisco, USA
Hotel Imperial, Vienna (EDIT Added Oct 2017)
St. Regis New York, USA (EDIT Added Mar 2018)
Suiran, Japan (EDIT Added May 2018)
St. Regis Florence, Italy (EDIT Added Oct 2018)