Denver Brewery History Get to know Denver’s best kept secrets. Walk through Denver’s original red light district, see Denver’s replica of the St. Mark’s basilica from Venice, hear about Denver’s outrageous grave robbers, and much more! The Denver Microbrew Tour is a two-hour guided walking tour in downtown Denver’s historic LODO (lower downtown) area. If you are interested in learning more about the history of beer, how it is made, what the different types are and how they differ, why Denver has been called the “Napa Valley of Beer”, or about the history of Denver and how it became the city it is today, then the Denver Microbrew Tour is for you.