1839 Taphouse

I like this place pretty well. They have a wide selection of beers on tap. The beers on tap rotate in and out, though, so your favorite might not be there next time you go in. But, there's always something worth drinking.

I like the cheese bread for an  appetizer, and the homemade potato chips are good too.

Best burger, and best beer selection in Columbia, MO.
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Great specials and fun people, especially on the weeknights (strange, but true).  The flip night is especially great, heads you win, tails you pay normal price for your round.

There is no decor/theme/ambience to speak of, but hey, it's the local college town bar.