• German Embassy & Missions in the United States
  • Interactive map of Germany
  • Munich and the Oktoberfest!
• Austrian Embassy​ in the United States
  • Die Wiener Festwochen
• Swiss Embassy​ in the United States
• Liechtenstein Tourist Office
• Wetter.net​ (Worldwide weather info in German) 

Übernachten

• Youth Hostels (Jugendherberge)
• Hotel.de for finding hotel accommodations in Germany
• Hotel.at for finding hotel accommodations in Austria
• Hotel.ch for finding hotel accommodations in Switzerland

    
Fliegen

• Travelocity.de for planning flights to the German-speaking countries
• Frankfurt Airport
• Lufthansa 
• Condor Airways
• LTU Airways

• Austrian Airlines​
• Swiss International Air Lines

 
mit dem Auto

• Autofahren in Deutschland, Österreich und in der Schweiz 

mit dem Zug

• Railroad Info for Germany and other parts of Europe
• Concise list of German railway terms
• Links to European Public Transit Systems

   
mit dem Bus

• If you are traveling to/from Berlin, you might want to consider a long-distance bus...
• Another long-distance bus line with destinations in Austria & Switzerland

   
Erdkunde & Info

• Facts & Statistics about Germany from the World Factbook
• States and Capitals Practice by Quia (Germany)
• States and Capitals Practice by Seterra (Germany)
  
• States and Capitals Fun Quiz (Germany)
• Sates and Capitals Fun Quiz (Austria)
• German Cities (Walk-the-Plank game)
• Heraldry & Coats of Arms (Wappen)
  • Germany
  • Austria
  • Switzerland
  • Liechtenstein