Highly recommended for its wealth of knowledge and images of all aspects of WW1.  www.firstworldwar.com.

Another excellent site for WW1 Military history.  http://vlib.iue.it/history/mil/ww1.html

For excellent coverage of harbours and ships of the world's navies.  http://www.battleships-cruisers.co.uk

For history of the construction and stories of the Bell Rock lighthouse.  http://www.bellrock.org.uk/

An insight into the major contribution of the Australians at Gallipoli.  http://www.anzacsite.gov.au/

A vast depository of WW1 documentation and facts.  http://www.gwpda.org/

A brilliant source of information about the history of the Royal Navy in WW1 & WW2.  http://www.naval-history.net/

Items of Interest

Should you ever visit New Zealand or simply enjoy beautiful gardens, visit the Daysh House site. Daysh House is a Heritage Site owned and run by Bill Edginton and Gary Morris.
http://www.bill-edginton.co.nz/