This is so funny you can't laugh.  There is new talk of a Russian-built space shuttle for the European Space Agency.  Story here.

http://www.popsci.com/popsci/aviationspace/347575a5d99e7010vgnvcm1000004eecbccdrcrd.html

Now this awesome looking shuttle looks similar to the current US space shuttle, right?  But I think it looks a lot more like this movie prop from Marooned (IMDB link):

For more on Marooned see here.

If you want more experimental planes (some for space) see here.