Left Hand Brewing is hosting their 4th annual Nitro Fest, which features 40+ breweries from across the US, Ireland, the UK, China, and Korea.  Not only that, but they also have circus acts, fire spinners, and wild costumes coupled with energetic electronic music.  Costumes are "strongly suggested."  The festival takes place at 900 S. Sunset St in Longmont CO.  Gen Admission price is $75 which includes unlimited beer tasting. 

There is also food for purchase from some amazing food trucks including: G-Spot, Dumpling Deli, Samples World Bistro, and Summit Tacos.

Find Tickets here: https://nightout.com/events/nitro-fest/tickets