Final answer:
The two biggest tourist states in the USA are California, known for its various attractions and coastline, and Florida, famous for its beaches and amusement parks like Disney World.
Step-by-step explanation:
The two biggest tourist states in the USA are California and Florida. California is the top destination for Americans traveling within the US, with attractions like Hollywood, San Francisco, and its beautiful coastline. Florida also ranks highly with international and domestic tourists, thanks to its warm weather, nice beaches, and major attractions such as the amusement parks in the Orlando area, including the famous Disney World.