Something that absolutely fascinates me...
Bloop:
http://en.wikipedia.org/wiki/Bloop
The Bloop is the name given to an ultra-low frequency underwater sound detected by the U.S. National Oceanic and Atmospheric Administration several times during the summer of 1997. The source of the sound remains unknown.
Some of the more hard-coded evidence that we have of giant sea-monsters... Though it's probably more of a giant mudsucker at the bottom than anything else.
...
I am also fascinated by cryptozoology:
"Dipro"
"Merman"
V already covered the Mungfish, which is one ugly sucker... And I am also fascinated by the shark found with legs:
