Doors Open Denver - April 17th & 18th

Doors Open Denver is an "annual celebration of Denver's built environment and design".  The two-day event is April 17th and 18th, and allows participants to take unguided or free guided walking tours of many of Denver's building, some of which are not typically open to the public.  This year's theme is "Denver Redux / Redo: Buildings with a Second Life".  The Event Headquarters are located at Union Station.

Check out the Doors Open Denver website for more information.