Glass blocks deserve a new look as well as a second glance. Along with the trend towards glass tiles, I think glass blocks are due for a colorful revival. Here you go–first up are some custom hand made glass blocks at the very high end pricewise from Agnes of Glass.
And while this next pic of colorful glass block was used in a church instead of stained glass windows, it would also be fantastic in a private residence.
These smooth surface color blocks are really elegant but probably transparent also. Not sure that you’d want them in a bathroom shower but they’d make great windows.
Here are some more color glass block designs from Mulia. They’ve also added several different textural patterns to the surface to resolve privacy issues:
Or how about arranging a rainbow wall effect with glass blocks like this? Cool!