Winter...

-Milan & Cortina D'Ampezzo
-Oslo & Lillehammer
-Nagano
-Salt Lake City
-Vancouver or Calgary

Summer...
-Barcelona
-Athens
-Seoul
-Sydney
-Los Angeles
-Rio de Janeiro

End the ridiculous bidding process that mostly just lights huge sums of public money on fire. Take the politics out of it. Put the games in logical, diverse locations that can recoup the costs over time with the benefits of being permanent hosts.