Theorists thought….

It was  a place for burial.

Here’s why:

After bone fragments were found in the area, the idea arose that the stonehenge might have been a burial place for the elite.

Theorists thought….

It could be a place for sacrifice.

Here’s why:

 Some thought that the bones may have been from animals for sacrifices to gods.

Theorists thought….

It was a celestial observatory.

Here’s why:

 Some think that the stones align with the sun and moon to know the timing for the summer and winter solstice.

Theorists thought….

1. It could have been a team building exercise.

Here’s why:

Some university researchers think that the stones were the beginning of a team building exercise that was never finished.

Theorists thought….

It could be a mythological creation.

Here’s why:

Another theory is that giants and wizards put the stones there.

According to livescience.com