Watch Free Online on Hurawatch. Set amidst the Austrian Alps is a deep lake that has enthralled the world for decades: Lake Toplitz.It is said that a massive collection of controversial, classified documents and the remains of a treasure trove can be found in its depths. Allegedly, these items were stowed away by Adolf Hitler’s most senior followers just before the end of World War II.This is the first comprehensive film about the intriguing adventures surrounding the myth-enshrouded Lake Toplitz.