Here you will find a listing of the best all around travel credit cards.
If you are looking for a specific category of card check out the following pages:
40,000 bonus points after spending $3k in 3 months. Annual fee waived the first year (normally $95). You earn 2 points/dollar on travel and dining and 1 point/dollar on everything else. Points transfer 1:1 to United, Southwest, Marriott, Ritz-Carlton, and many other programs.