This waterfall exists inside a Portuguese lake

There's a waterfall in the middle of a Portuguese lake.
More Pet Animal Stories
Top 6 places to visit before they vanish from Earth
Top 6 places to visit before they vanish from Earth
3 Reasons We May Be Alone In The Universe
3 Reasons We May Be Alone In The Universe
You'll never guess what's inside this hole in Portugal
You'll never guess what's inside this hole in Portugal
Top 5 mysterious holes on our planet
Top 5 mysterious holes on our planet
5 Of The Strangest NASA Flying Machines
5 Of The Strangest NASA Flying Machines
The 'Ferris wheel' of boats
The 'Ferris wheel' of boats
7 Unusual Hotels That Are Not On Land Or Water
7 Unusual Hotels That Are Not On Land Or Water
How To Use Chopsticks Like A Pro In No Time
How To Use Chopsticks Like A Pro In No Time
Bahrain sinks a Boeing plane to create this eerie underwater theme park
Bahrain sinks a Boeing plane to create this eerie underwater theme park
This 'Polka Dot' Lake Looks Too Good To Exist On Earth
This 'Polka Dot' Lake Looks Too Good To Exist On Earth
This River In Colombia Bleeds Red
This River In Colombia Bleeds Red
Astronaut floats free in space
Astronaut floats free in space
People Say This Remote Place In Jordan Looks Like Surface Of Mars
People Say This Remote Place In Jordan Looks Like Surface Of Mars
The American town where WiFi is illegal
The American town where WiFi is illegal
People Dumped Trash Near This Beach And Then Something Beautiful Happened
People Dumped Trash Near This Beach And Then Something Beautiful Happened
The Paris-sized impact crater hiding in Greenland
The Paris-sized impact crater hiding in Greenland
These goats produce spider silk
These goats produce spider silk
This airport runway is also a public park
This airport runway is also a public park
Leaving The Real Animals Alone, This German Circus Uses Holograms Instead
Leaving The Real Animals Alone, This German Circus Uses Holograms Instead
The 5 fairytale villages in Europe
The 5 fairytale villages in Europe