Latin, however, is absolutely worthless unless you're translating a medieval version of the bible, or specalize in roman history/archaeology. Nobody speaks it (which is why it's the default language of science for describing biological stuff) and the liklihood of you needing it outside of those two on a day-to-day basis is virtually nil.
It is not worthless.
I studied Latin in high school. I learned more about English grammar in my Latin classes than I ever have in any of my English classes. Ever. You learn very basic stuff in English classes, but you don't get into any of the hard grammar problems that come naturally to a native speaker of a language.
Because Latin is focused on grammar so much more than speaking, you get a great opportunity to study a language for its inner-workings, and you can really expand your horizons linguistically.
I feel like my knowledge of Latin made it much easier for me to learn German, since German also has the case-based noun system. And a lot of the grammar rules in German are similar to ones in Latin, even though it isn't a Romance language.
I am currently learning Korean, and all of the linguistics that naturally come in any Latin class have helped me even with an Asian language.
Just sayin'. If you want to learn more than one language, learn Latin first.