Best Travel Value: Buenos Aiires

Where Does the Dollar Do Best? Introducing Frommers.com Price Index (Frommer's)
And in first place? Buenos, Aires Argentina!
The entire country is a splendid vacation destination, and you can enjoy some on-the-spot tips and photos in Roberto Ingledew's forum posts Places Worthwhile Visiting in Argentina.
Photo of the presidential palace, La Casa Rosada, thanks to ArtToday.com. There are more photos of Buenos Aires among the Pictures of Argentina.