Happy National Tequila Day, Denver. The holiday may not get you off of work, but it will still give you and your coworkers something to look forward to at the end of a long Monday. We’ve assembled a list of some tasty margaritas and tequilas in metro Denver so you can celebrate the holiday right. Lola All-night Monday happy hour will let you enjoy National Tequila Day for cheap at this Highland Mexican restaurant.