Artists and Architects

Dylan Cole
Nicolas Delort
Albrecht Dürer
Rudolph Herzog
McCrery Architects - Check out the Carmelite Monastery.
Mars Ice House
picture factory
Brant Moore

Professional Societies

The Institute of Classical Architecture & Art
The International Network for Traditional Building, Architecture & Urbanism
Passive House Institute US

Image Resources
Please be sure to check copyright restrictions on these before you use.

NASA/JPL Galleries
Dover Publications - best resource to get images of the old masters
Tom Friedel - 1 Squirrel source photo kindly used with permission. Great nature photos.

Other Resources

Area Forums
Ashmolean Museum
Turbosquid.com
Classical Architecture in Revit
Grant Warwick
xoio-air.de
Star Wars Matte Paintings

Blogs and Website Communities
Arch Daily
CG Architect
Computer Graphics World
iamag
New Liturgical Movement
Polycount Wiki

Tutorial Sites and Videos
3ds Max

Vertex Painting (Youtube)
Mental Ray Displacement
Adding decals to materials(Youtube)
Skin Wraps and Morpher Modier
Matte Paint Process (mostly fun to watch)
Basic Unwrap Mapping (Youtube)
Intermediate Unwrap Mapping (Youtube)
Blend Material and Vertex Paint(Youtube)
UV Mapping 101
Interior Rendering in Mental Ray

Photoshop

Match Color(Youtube)
Wire Worm Plugin

Dreamweaver and Web Design

Intro to website creation with Dreamweaver(Youtube Series)
Dummy text generator