AEC Portico Published by NBS provides links to information in the architecture, engineering and construction sectors.
archiplanet Site for Arcitecture students in the UK.
architecture cafe News, features and competitions for Architects.
architecture room  Architecture competitions throughout the world.
great buildings Site documents buildings and architects, with 3D models, photographic images and architectural drawings.
lintol Comprehensive Architecture portal
RIBA Built environment portal, courtesy of the Royal Institute of British Architects.
sapling Architecture, Planning & Landscape information gateway - featuring more than 800 reviewed links to architecture, planning and landscape-related websites.
Abacus Construction Index - for more UK and USA construction websites.