Drink rare sour beer from Cantillon at Zwanze Day at Monk’s Cafe

Monk's co-owner Tom Peters is one of just 50 bars around the globe to score a keg of Belgian brewery Cantillon's annual Zwanze beer. He'll host the Philly edition of world-wide Zwanze Day tapping as a fundraiser for Fair Food Double Dollars, so bring cash to score your special glass at the 3 PM tapping. Doors open at 11:30 with tons of other rare sours on tap.

Where: Monk's Cafe at 264 S. 16th St.

When: September 19, 2015 at 11:30 a.m.

How much: Pay as you go