This poster got the man who made it arrested for flag desecration.
Here's some visual nostalgia to give you some perspective while you're inside warming up.
A look back at empowered ladies on the eve of a new milestone for women in politics.
Though History Colorado collections hold nearly 2,000 of Charles Lillybridge's images, his work is characterized as "less known."
Denver was once home to an almost surprising number of beautiful theaters. Let's take a look back at what we lost.
US clears way for cleanup of Colorado mine after huge spill.
Navajo Nation plans to sue over massive mine waste spill
As South Park, the TV show, celebrates its anniversary, take a look at old South Park, Colorado.
Fort Logan was an assembly point for troops and recruits.
The Navajo Nation has formally endorsed a Superfund cleanup of mines, including one that released millions of gallons of wastewater into Navajo land.
Crews are returning to the scene of a massive mine waste spill in southwestern Colorado to stabilize the mine opening with steel bracing and concrete.
New Mexico is also suing the U.S. Environmental Protection Agency and the owners of two mines.