Well...I wen't to investigate and the only thing I could find was the glowing Cabin at night, nothing else. I will post the photos I took if you want to take a look and maybe you see something at them.

Blood Stones?

A shot of the cabin glowing.

The rock to the right ...just look at the rock's textures

A photo with nightvision

Another photo of the woods with NV

Front View of cabin.