Doors Open Denver 2025

2025 Open Sites

Locations Vary

A well-loved portion of the Doors Open Denver festival, Open Sites allow for self-exploration at ...

2025 On the Boards – Architecture Firms

Varies

Go behind-the-scenes at some of the most innovative architecture, design, and planning firms in D...

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: 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: RiNo ArtPark

RiNo ArtPark

This tour will showcase the RiNo ArtPark, also known as Arkins Park, which is a partnership between ...

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: 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 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 Century of Architectural Evolution – The University Club of Denver

University Club of Denver

The University Club of Denver tour offers a glimpse into one of the city's most storied private inst...

Insider Tour: 16th St with Historic Denver

Downtown Denver Partnership

About the tour: We’ll start with a brief presentation of the project at Downtown Denver Partnersh...

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: 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: 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'...

Insider Tour: Bluff Lake Nature Center

Bluff Lake Nature Center

This tour will walk visitors through the holistic design approach to the Nature Center's new buildin...

An Evening of Elevation

One River North

About the event: Join us for an Evening of Elevation, a rooftop celebration in honor of Doors Ope...