An apparatus and method for creating and using a virtual three-dimensional environment, and methods for generating revenue based on the virtual three-dimensional environment. The virtual three-dimensional environment includes a virtual three-dimensional city model which is a realistically accurate city environment including all the details of an actual city. Defined elements within the virtual city model serve to promote corresponding third-party businesses and related entities in the real world. Users interface with the virtual city model to explore the city and learn about or become more familiar with the defined elements within the virtual city model. The virtual three-dimensional city model which is realistically accurate of an environment also facilitates multiple other uses.