The CryEngine 3 has a tech demo for GDC 2012 highlighting its capabilities.
Kingdom Come: Deliverance - Kickstarter
Kingdom Come: Deliverance is a beautiful game, powered by Cryengine, currently seeking funding on Kickstarter.
CryENGINE 3 Crysis 3 Tech Trailer
Crytek have released an impressive tech trailer for Crysis 3 running on the CryENGINE 3.
Check out this trailer for Crytek's Warface, running on the gorgeous CryENGINE 3.