If you are not a citizen of the United States, you will need to visit the German Embassy to apply for a visa if you want to travel to Germany. You will need a completed application form and declaration, which can be downloaded on the German embassy's website. You also need to bring two passport photos, your valid passport plus one copy, your original valid U.S. alien registration card or a valid U.S. resident visa, and a current bank statement with one copy. You need a confirmation letter from your health insurance stating that you have a minimum of $50,000 in coverage for trips outside of the U.S. with a copy, and a letter of reference from your employer. You also need to bring proof of your hotel and airline reservation plus one copy of each, and, finally, you need your visa fee.
For a student visa to Germany, you must bring two completed application forms and a required declaration in duplicate. You need two passport photographs, your original passport plus one copy, a letter of acceptance to a German university or language school plus one copy, and evidence that you have sufficient funds to support yourself while living in Germany plus a copy. You also need to bring your visa fee.
To obtain a business visa to Germany, you must bring a fully completed application form and declaration, two passport photographs, and your original passport and one copy of it. You also need a confirmation letter from your health insurance stating that you are covered to a minimum of $50,000 outside of the United States, as well as business references. Your business references could be a letter from your employer or an invitation from a German company stating that it will bear your accumulating expenses. You need two copies of your hotel and airline reservation and a visa fee.
To apply for a visa with a work permit, you need two fully completed application forms and declarations, two passport photographs, your original passport, and one copy. You also need an employment contract or letter of intent from a German employer with one copy, as well as a U.S. police certificate of good conduct with one copy. You also need a visa fee.