Mainz is a town with many many culinary options, from traditional German to fabulous Greek. The other day I was missing the USA a little bit and craving a burger, so I set out for Humberto (14A Holzhofstrasse, Mainz) and it did not disappoint. Humberto has several specialty burgers, plus steaks, excellent fries, and really excellent dipping sauces, and REALLY excellent red wines (which can be hard to find in Germany). To boot, the restaurant itself is decorated with fun, bright colors, and entertaining modern art pieces, and is lit by large, romantic candelabras. I can't wait to go back.