Photography- Desaturated vs. Saturated Images

In an attempt to shoot blue hour at a local town park, I learned a good lesson- check where the sunsets because that is where the sky changes color!  I took a photo of this tree in high school, when i really fell in love with photography, and had it framed in my apartment for years.  I attempted to recreate it during blue hour, however did not get the results I wanted.  Here are the desaturated, black and white photo and the slightly saturated photo, which shows the color of the sky that my camera picked up, not seen by the eye! Pretty cool!

Bisous