strange structures

In the eastern United States, nestled among the trees beside a tributary of the Ohio River lies one of the strangest and most mysterious tectonic structures ever created by man.

The video appeared on social networks seems to show a white structure built on the mountain in the Moon.

The hypothetical alien that once visited Mars was given after strange structures were found on the Red planet.

Through Google Earth, a group of UFO hunters discovered strange buildings with many circles and sharp peaks on the desert near Cairo, Egypt.