In warmer months, Lake Abra­ham sim­ply looks like a love­ly turquoise lake in Alber­ta, Cana­da. But dur­ing the win­ter, the frozen water gets filled with sus­pend­ed white orbs that look like snow­balls. It might look like Christ­mas mag­ic, but these ice bub­bles are actu­al­ly dan­ger­ous pock­ets of flam­ma­ble methane gas formed when organ­ic mat­ter at the bot­tom of the lake decom­pos­es. Area: 52,119999 sq. km., vol­ume: 1770 cubic meters, depth avg: 34 m, shore length: 91,879997 m, res time: 345,10001, ele­va­tion: 1308