Interesting calendars

As the title suggests, this is an interesting option indeed. This gives you the ability to add one of many Bing calendars as an overlay. Click on interesting calendars and a side panel opens:

Using the example of Football, you can click on it or one of your own choice:

You can then drill down to the team you want. I would choose the NFL team, the Baltimore Ravens:

Once the choice is made an overlay is added and all events related to that calendar will be colored to match the tab:

To remove any interesting calendar(s) that are no longer wanted, click on Manage then click the X next to the unwanted calendar(s):