Some locations on free, publicly viewable satellite map services have such issues due to having been intentionally digitally obscured or blurred for various reasons of this.
[1] The Australian government has decided that images of sensitive areas are not a risk, due to poor level of detail.
However, images of its roof have been and the entrance to The Lodge is blurred in Google Street View.
[7] Most military and defense facilities, along with many private homes, appear blurred in mapping services.
The vast majority of Antarctica is also in low resolution due to the bright, often featureless, ice and snow making high-resolution imaging both difficult and largely unnecessary.