This waterfall exists inside a Portuguese lake

There's a waterfall in the middle of a Portuguese lake.
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For $1,500, You Can Fly Underwater Through Maldives In Personal Submarine
For $1,500, You Can Fly Underwater Through Maldives In Personal Submarine
Daily Escape: San Francisco, California on a giant bicycle
Daily Escape: San Francisco, California on a giant bicycle
7 Amazing Things Your Body Does During Sleep
7 Amazing Things Your Body Does During Sleep
Daily Escape: Tuscan town of San Gimignano, Italy
Daily Escape: Tuscan town of San Gimignano, Italy
Daily Escape: Boating in Mexico
Daily Escape: Boating in Mexico
You Can Pay To Cuddle With A Cow At This Farm In New York
You Can Pay To Cuddle With A Cow At This Farm In New York
You'll never guess what's inside this hole in Portugal
You'll never guess what's inside this hole in Portugal
Stunning Northern Lights in Iceland
Stunning Northern Lights in Iceland
People Dumped Trash Near This Beach And Then Something Beautiful Happened
People Dumped Trash Near This Beach And Then Something Beautiful Happened
There's A Hidden Subway In The World's Most Powerful City
There's A Hidden Subway In The World's Most Powerful City
You Can Experience The World's Longest Zipline In UAE
You Can Experience The World's Longest Zipline In UAE
No seriously, this is a real river in Costa Rica
No seriously, this is a real river in Costa Rica
Scientists can levitate ants using acoustic tractor beam
Scientists can levitate ants using acoustic tractor beam
America has a restaurant where 'nurses' serve 20,000-calorie burgers
America has a restaurant where 'nurses' serve 20,000-calorie burgers
5 ancient sites people are convinced were built by aliens
5 ancient sites people are convinced were built by aliens
9 Weird Things Underwater Robots Have Captured On Camera
9 Weird Things Underwater Robots Have Captured On Camera
The world's most beautiful pool was carved by lava
The world's most beautiful pool was carved by lava
This Thai rooftop pool is what dreams are made of
This Thai rooftop pool is what dreams are made of
This Iconic U.S. Landmark Is An Optical Illusion
This Iconic U.S. Landmark Is An Optical Illusion
Bahrain sinks a Boeing plane to create this eerie underwater theme park
Bahrain sinks a Boeing plane to create this eerie underwater theme park