Berlin

Guides for Berlin

• http://www.wikivoyage.org/de/Berlin

Going out in Berlin

• http://berlin.unlike.net/ lists quite a lot of nice locations.
• http://www.zitty.de

Climbing in Berlin

• Apart from the two big climbing halls (http://www.magicmountain.de and http://www.t-hall.de) can find all the climbing spots in Berlin at http://www.kletterninberlin.de - really good site with hundres of entries.