In photography, stereographic projection is a geometric technique that projects a sphere onto a plane, which is mostly used in the mapping of spherical panoramas.
The most popular type of stereographic panorama is the "tiny planet," where the center view of a panoramic image is the nadir (the ground) and the edges are the sky and tops of trees, buildings, etc. The effect creates the look of a miniature planet, which is opposite of the "tube" effect.
A tiny planet view of Dodger Stadium..
These photos can be taken with certain (and expensive) fisheye lenses, but it's much easier to create one... more