Path to Where?

Yesterday morning, I went for a walk.
Here is a picture which shows the path that I took, looking from above:



Can you describe the shape of the path I took?
Can you imagine where I could have been to walk like this?

In the afternoon I walked a different route. This is what it looked like from above:



Can you tell a story of where I could have been this time?

At the weekend I went for another walk.
This picture shows the path, again looking from above:



What is the shape of the path this time?
Where could I have been for my path to look like this?