Sweetest Cars I Have Ever Seen

Disappearing Doors:
http://www.youtube.com/watch?v=AAtkoje4-eM

Underwater Car:
http://www.youtube.com/watch?v=sJC7E06IBXI

Hummer HX Concept:
http://www.youtube.com/watch?v=XuAZ-YR3KbE&feature=related
http://www.youtube.com/watch?v=wCXXm_79cw4&feature=related
http://www.youtube.com/watch?v=56uUknEFV0o&feature=related
http://www.youtube.com/watch?v=H_jX61cREWw&feature=related