Red Rocks Amphitheater in Morrison, Colorado will be hosting the Monolith Festival
this year. The venue has been labeled as one of the coolest places to catch a show in America. Along with the great venue will come great headliners such as The Flaming Lips, Spoon, The Decemberists and Clap Your Hands Say Yeah. Monolith will take place September 14 and 15!

[Via Pitchfork]