Tall buildings Giant spaceships

Most of the cool stuff I find is on Metafilter.

http://www.metafilter.com/

http://skyscraperpage.com/ - Skyscraper search. Here is the search form. Proposed pics of the new Freedom Tower in New York city. How the tallest buildings in the world compare. See all buildings including fantasy, proposed, vision, under construction, cancelled, on-hold and built.

http://www.merzo.net/ - Starship Dimensions. Compare the sizes of ships from Star Trek, Star Wars, Halo, Ring World, Battlestar Galactica, Babylon 5, 2000: A Space Odyssey, Farscape, etc. View in IE so you can drag the ships around for better comparison.