That would be disneyworld in Florida
Lagoon
"Worlds of Fun" is an amusement park in Kansas City, Missouri, USA. They have a village nearby, the Worlds of Fun Village, where visitors can stay. The amusement park is so close to this village that visitors can walk that way.
Cedar Point in Sandusky Ohio is the best amusement park in the world.
The Pentagon
Cedar Point, Ohio
The biggest resort complex is Disney World but single park is Disney's Animal Kingdom Park at 500+ acres.
Walt Disney World Resort in Florida, USA.
Disneyland, Tokyo (I have no idead how big it is, though.)
Yellowstone National Park.
the worlds largest water park is in Brazil south America
The biggest amusement park in the US is Walt Disney World Resort in Orlando, Florida. It covers an area of about 25,000 acres and includes multiple theme parks, water parks, hotels, and other entertainment offerings.