Maps

In 1930, Boston architect Chester Lindsay Churchill was commissioned to design the new Christian Science Publishing Society headquarters. As part of the design, Churchill suggested including a completely unique element: a three-story spherical globe room that would allow visitors to view a map of the world from inside the center.

Link.
Via.

On the subject of maps, this wikipedia page contains links to satellite pictures of famous locations around the world, courtesy of Big Brother Google. I particularly like this picture of La Tour Eiffel.