It's got a serious history. It's reputedly haunted by a prostitute that committed suicide in it. Today, you can buy rare minerals there. It's the Linden Hotel, and it's been a Fort Collins landmark since 1900.

Linden Hotel - 1900 - Fort Collins Local History Archive
This amazing building, for the most part, looks the same today as it did back then.
Here's another shot, this one from 1934.
Linden Hotel - 1934 - Fort Collins Local History Archive
We could almost put it through an Instagram filter and get that photo.
In this one from 1975, it appears they painted it.
Linden Hotel - 1975 - Fort Collins Local History Archive
Same color, this one from 1983.
Linden Hotel - 1983 - Fort Collins Local History Archive
By 1997, it had been restored back to its original red brick. Good choice!
Linden Hotel - 1997 - Fort Collins Local History Archive

Thanks to the Fort Collins Local History Archive for the great photos!