Avogadro’s Number is a historic music venue, bar and restaurant in Fort Collins, CO; a unique double-venue with both an intimate indoor venue and an expansive outdoor venue. The outdoor space is open May through October and boasts water features, a treehouse, a large gazebo, and concessions. The restaurant features a large sandwich menu, delicious appetizers, salads, homemade desserts, and a full espresso bar. Avo’s Bar occupies the southern-most third of the property, and serves the best Bloody Mary in town. ...