Take a look at the next-gen capabilities of Crytek's CRYENGINE.
Ryse Moss Tutorial
This tutorial explains the technique for creating moss, as used in the Ryse video-game.
CryENGINE 3 Crysis 3 Tech Trailer
Crytek have released an impressive tech trailer for Crysis 3 running on the CryENGINE 3.
Kingdom Come: Deliverance - Kickstarter
Kingdom Come: Deliverance is a beautiful game, powered by Cryengine, currently seeking funding on Kickstarter.