Here’s a particularly nice set of images (that NASA released last year) of the Earth at night. These are satellite images, so they catch the entire dark side in one image.
To start with, here’s a Mercator projection of the entire world at night:
Here’s the Americas:
That one really brings out how special the U.S. is. Here it is in sharper detail:
Here’s both sides of the Atlantic:
Here’s Europe, Africa, and a good chunk of Asia:
Here’s eastern Asia and Oceana: