Doors Open Denver 2025

Doors Open Denver Open Sites

Various locations throughout Denver

Explore some of Denver's most well known spaces during Open Site hours on Saturday September 28! ...

Insider Tour: Denver Zoo Sea Lion Habitat

Denver Zoo Conservation Alliance

Get a rare, behind-the-scenes look at Denver Zoo Conservation Alliance’s Sea Lion habitat—home t...

Insider Tour: The Mayan Theatre

Mayan Theatre

Saved from destruction in 1984, the Mayan Theatre has been a South Broadway landmark for decades. He...

Insider Tour: Auraria Campus Master Plan

Colfax at Auraria Station

Join us for a guided tour of the Auraria Campus, home to three higher education institutions in the ...

Insider Tour: Byron White U.S. Courthouse

Byron White United States Courthouse

Join expert guides knowledgeable in both the history and architecture of the building as well as cou...

Insider Tour: Denver Union Station

Union Station

Come learn the history of all three train stations located in the same spot from 1880 to present. Yo...

Insider Tour: The Brown Palace – A Present from the Past

The Brown Palace

Explore Denver's 133-year-old iconic and beloved hotel. Learn about the hotel's founder, its role in...

Insider Tour: A National Historic Landmark in the 21st Century – Civic Center’s Past, Present, and Future

Civic Center Park - Greek Amphitheatre

About the tour: We’ll explore Civic Center Park’s rich past, dynamic present, and ambitious futur...

Insider Tour: Clyfford Still Museum

Clyfford Still Museum

About the tour: Most people visit the Clyfford Still Museum to see the large-scale abstract work ...

Insider Tour: Patterson Inn Boutique Hotel History

Patterson Inn Boutique Hotel

A stately and distinguished National Landmark, the Patterson Inn is situated in the heart of Denver'...

Architecture and Nature in Harmony: The Houses of Rowland+Broughton

Walker Fine Art Gallery

Hear from principals John Rowland, AIA and Sarah Broughton, FAIA as they present ten of their remark...

Alan Gass’s Photographic Idiosyncratic Tour of Denver’s Primary Pedestrian Precinct

Denver Press Club

About the Presentation: Join us for a presentation by Alan Gass, FAIA, on the architecture of Dow...

Speer Reimagined: A New Vision for Mobility, Ecology, and Public Life

Workplace Resource Colorado

About the event: Illustrating Doors Open Denver’s 2025 theme, Architecture and Nature in Harmony,...