Google has a partner program for Street View. "Do you manage a unique property (pedestrian mall, amusement park, university campus, etc.) that users would like to visit in Street View? Through our Partner Program, you can now request Google to collect imagery of your location. Once the images are added to Street View, people all over the world will be able to virtually explore your property."
For now, the program is limited to properties that are interesting to Google's users. Some of the examples included in the FAQ: "zoos, parks, universities, amusement parks, outdoor marketplaces, stadiums, monuments, tourist destinations, and race tracks".
Here's a Street View tricycle at the Palace of Versailles: