Festivals:

Oktoberfest

Things to See:

Neuschwanstein Castle (a few hours drive from Munich on the border with Austria)

Marienplatz

Nyphenburg Palace

Munich Residence

Dachau Concentration Camp Memorial Site 

Restaurants:

Hans Im Glück

Spatenhaus an der Oper

Bratwurst-Glöckl am Dom

Bars:

Hofbräuhaus

The High

Chinese Tower

The Terrace

Clubs:

NV

Glockenbachviertel