Exterior

Picnic Table Plans - Dimensions, plans, and instructions for building from scratch.
http://www.bconnex.net/~zirgo/picnic.html

Buildeasy.com - Collection of free plans and step by step tutorials with an emphasis on outdoor structures. Also includes a question and answer forum.
http://www.buildeazy.com/

Exposed Aggregate - Illustrated step by step guide to exposed aggregate concrete finishing.
http://members.shaw.ca/bomr/ExposedAgg.html

Roofing Glossary - Glossary with short descriptions for many roofing terms.
http://www.needhamre-roofing.com/Glossary.htm

My DIY Projects - Homeowner details renovation of the exterior pointing, vertical hung tiles and a bay window.
http://www.simonawhite.pwp.blueyonder.co.uk/DIY.html

Better Homes and Gardens: Masonry and Concrete - Collection of step-by-step tutorials with diagrams for building and finishing several types of masonry walls. Covers pouring wall footings, planning brick walls, building garden walls, applying stucco, working with mortar, and building forms.
http://www.bhg.com/bhg/category.jhtml?categoryid=/templatedata/bhg/category/data/Hie_Basics_MasonryAndConcrete.xml

Fine Homebuilding - Roofing - Articles on sheathing, laying out shingles, retrofitting skylights, and sizing gutter systems.
http://www.taunton.com/finehomebuilding/pages/fh_feat_roof.asp

Easy2.com: Insulating an Unfinished Attic - Step-by-step guide with diagrams, an animation, and an explanation of the importance of proper air flow.
http://www.easy2diy.com/cm/easy/diy_ht_index.asp?page_id=35720160

The Fence Doctor - Brief FAQ on fence issues; including material selection and installation.
http://www.78fence.com/FAQ/

Roof Help - Articles on maintenance, repair, and replacement. Illustrated tutorials on determining slope and re-roofing.
http://www.roofhelp.com/HowdoI.htm