There are several ranks for the best airport lounges
Forbes
Cathay Pacific, Hong Kong International Airport
Virgin Atlantic, San Francisco International Airport
British Airways, JFK International Airport
Singapore Airlines, Singapore Changi Airport
Continental Airlines, Ronald Reagan National Airport, Washington D.C.
Swissair, Zurich International Airport
Star Alliance Lounge, Zurich International Airport
LanChile, Santiago International Airport
Malaysian Airlines, Kuala Lumpur International Airport
SAS Lounge, Copenhagen International Airport [...]