Some websites that will give you ideas of what to see (or what you are looking at...)

World War II locations and remains:

http://www.thirdreichruins.com/berlin.htm

http://www.geocities.com/isanders_2000/ww2index.htm

A visit to the Reichstag/Bundestag should also include a visit to the nearby Soviet War Memorial:

http://economist.com/cities/displayo...07&city_id=BER

and if time permits to the larger (very Soviet) memorial and cemetary at Treptower Park:

http://www.wcities.com/en/record/,12307/9/record.html

Heiko Burkhardt's great page dealing with the Berlin Wall (1961-1989) itself:

http://www.dailysoft.com/berlinwall/index.html

More info about sights relating to Berlin as a Divided City:

http://www.berlinfo.com/Traveltime/S.../divided_city/

R. Rynerson's excellent webpages about serving with the U.S. Army in Berlin:

http://home.att.net/~rw.rynerson/index2.htm

Don't forget to learn about how you will want to get around using Berlin's excellent transit system:

http://www.bvg.de/e_index.html

And finally the city's official web site in English:

http://www.Berlin.de/english/index.html