Digital Archive of European Architecture - http://www.bc.edu/bc_org/avp/cas/fnart/arch/contents_europe.html Prof. Jeffery Howe gives examples of prehistoric, Roman, Romanesque, Gothic, 15th, 16th, 17th, 18th, 19th and 20th century architecture.
Europan - http://www.europan-europe.com/ Organizes European competitions for new architecture on themes related to urbanism. Activities, publications, themes, results. French and English versions.
Copper Concept - http://www.copperconcept.org A joint campaign by the International Copper Association and copper fabricating companies in Europe to promote the benefits of copper in construction. News of copper use in building, press, publications and articles.
Architects in Europe - http://www.Archi-Europe.com Searchable database, by name or location, of architects throughout Europe. Also includes news and competitions.
Architects Council of Europe - http://www.ace-cae.org/ Association of European architects organizations. Excludes the UK and Netherlands.