|Google Earth - earth.google.com/web
Online version of the program Google Earth.
DetailsOnline version of Google Earth.
Actually it is built into Google maps, and uses one database. So, there is no difference how to use it, separately or through Google Maps.
To hold a circular rotation, hold down the Ctrl or Shift button and use the mouse.
Unlike Google maps, here you can share only the link, and not embed the map on the site. But there's a bone in the menu - a random place on the map.
There is a small globe below which shows the place you are viewing.