Ancient Aliens: Discovering Earth's Lost Cities

Many ancient cities are thought to be lost forever-if they ever existed at all. See more in this compilation from Ancient Aliens.

#AncientAliens

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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

[johnwayne]

We are not alone, we have never been alone

[pandamoves]

Thank you for this. It's really interesting to watch

[KyleAndrusko]

ancient aliens is one of the best documentary shows

[andyyoung]

Love watching and Learning from this show

[Ancientalienshistory]

The content is super helpful, I’ve learned a lot from this.

[piconano]

Modern Astronaut Theorists always say NO.

[deanharris]

11:28 now you understand 😂😂 you mean none of you did before?? But you all understand now hey ??😂😂

[Ty-zg]

ain't this the el Dorado from Outerbanks on Netflix?

[AcidGlow]

*Hidden secrets of our ancient civilization Lost for Time* 😮🧐

[Mullgutz]

The Lost cities or forgotten cemeteries

[JadaC-bqps]

I was astral traveling and I saw a planet that had gold plates around the outside of it all around. This makes sense with what they were saying about gold being able to reflect the sun. I just put it together 😅😊

[zikemdg]

When that place was created the sea level was a lot lower than it is today.

[JaybMinistros-cnsx]

The stone logs of Nan Madol are just as puzzling and mind-boggling as the H blocks of Puma Punku and the stone walls of Sacsayhuaman.

[kevinroberts]

6 years ago a team drained that lake and cleared it. No word on what they found. I'm sure no one would say. If they are smart.

[jasonrogers]

Can you imagine aliens with jungle hats and long beards panning for gold next to a stream? 😆

[metalone]

Is gold what is needed to protect the atmosphere of the Earth....

[abdalrhman]

7:09 why "visit by ancient aliens" not "The ancient world was so sophisticated but something happen everytime....And they lose their progress"

[neotheone]

Have we tested the ash to see what is it made of?

[viviennetmorris]

At 12:47, there is a light travelling behind the image of earth from space. At about one o’clock.

[CatVisionTM]

Sometimes I wish my wife were an ancient astronaut theorist