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.
Ice bubbles, Abraham Lake, at the foot of the Rocky Mountains in Canada. The rare phenomenon occurs each winter in the man-made lake, as the plants on the lake bed release methane gas, which freezes as it comes closer to the cold lake surface.
Cleopatra’s Alexandria Amazing Underwater Cities. *Atlantis* ~An island country mentioned within an allegory on the hubris of nations in Plato's works Timaeus and Critias, where it represents the antagonist naval power that besieges "Ancient Athens
Ohhh, this would make for wonderful scuba diving - how exciting! The city of years of age, situated in east China's Zhejiang Province, has been submerged under Qiandao Lake since 1959 for the construction of the Xin'an River Hydropower Station.