Disappearing Denver: A Look at What the Mile High City Has Lost

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Denver Public Library
The Tabor Grand Opera House disappeared in 1961.
Denver adopted its Landmark Preservation Ordinance in 1967, fifty years ago; this weekend the city will celebrate its architectural heritage at Doors Open Denver. But the Mile High City has lost many landmarks — both cultural and kitschy — over the years. Here's a look at disappearing Denver.