Jason de Caires Taylor& underwater sculpture garden in Cancun. "Constructed out of concrete and steel, and bolted to the ocean substrate, the works here act as artificial reefs that provide & ideal habitat for filter feeding organisms.
Submerged tree in the Green Lake. The Green Lake or Grüner See is a lake in Austria that dries out almost completely during fall, is used as a county park in the winter and is famous for the underwater park which forms during the spring due to snow melt
Gruner See (Green Lake) is a lake in Styria, Austria known for its shimmering, emerald-green hue and its fluctuating depth throughout the year, at times leaving a park completely submerged in it. The site has proven to be an attraction for divers.