Hotels and Habitats
Bigelow Aerospace
http://www.youtube.com/watch?v=OqsHK2vxyzo
http://www.youtube.com/watch?v=Ai6_8GK-R0I
http://www.youtube.com/watch?v=7daJZxzvxWc
http://www.youtube.com/watch?v=bKgNOC_gggw&feature=&p=D22245446DB7090A&index=0&playnext=1
Boeing
http://www.youtube.com/watch?v=Mn_gXEK5XmQ
Exploration Architecture
http://www.explorationarchitecture.com/
Galactic Model
http://www.msnbc.msn.com/id/20216344/ns/technology_and_science-space/