The AquaDom in Berlin, Germany, is a 25 metre tall cylindrical acrylic glass aquarium with built-in transparent elevator. I was in Berlin and wanted to go but didn't have time...next time I go back to Germany this is definitely on my list of places to go
Konigsee Lake, Bavaria, Germany (BG-Water was like glass, so pure and clear. Many waterfalls flowing into it, it was so romantic, and with so little human interference. The whole area is actually a National Park and thank goodness it is!
Sacred waterfall of the Fuji cult, Shiraito Falls, Japan Shiraito Waterfall, Shizuoka, Japan Shiraito Falls is part of the Fuji-Hakone-Izu National Park. These falls were regarded as sacred under the Fuji cult.