California is ranked number one, bringing in more than $65 billion annually in 2004, the last year data was compiled. And Florida is as you might expect ranked second, with $46 billion.
In the South, Tennessee holds its own with other Southern destinations: Alabama $5.9 billion annually; Arkansas $4.2 billion annually; Georgia $15.3 billion; Kentucky $5.8 million; Louisiana $9.5 billion; Mississippi $5.6 billion; South Carolina $7.7 billion; Tennessee $11.1 billion
The TIA notes that certain niche markets are attracting new groups of tourists, including babymoons, girlfriend getaways (were not clear if those are designed for the girfriend, or to let you get away from your girlfriend), and even voluntourism.
All in all, Americans spend more than $532 billion on travel and vacations annually. For more information oh, lots more information send your browser on a little trip.