The skybox is the limit
Dynamic Environmental Reflections in Direct3D 11 and C# - 2013
Seamless Cube Map Filtering - 2012
AMD Cubemapgen for physically based rendering - 2012
Image-based Lighting approaches and parallax-corrected cubemap - 2012
Cube Mapping - 2011
Cubemaps: the salt of computer graphics - 2008
Normal Maps and Cube Maps For Everyone - 2008
OpenGL Cube Map Texturing - 1999