In this picture, the Universe just a short way beyond the edge of the observiball is an endless, roiling see of inflation, and all that we can see sits inside just one tiny floating bubble.

BBC: The observable Universe and beyond

Pine Springs was a new development of modest homes with interesting modernist architecture that stood on the edge of a seemingly endless forest stretching north and west to Tysons Corners (then just a gas station and road house) and beyond.

FORBES: The Photograph

Pistorius might have been on edge, but we in the body corporate sent out endless nagging e-mails to our far less combat ready complex dwellers urging them to lock their doors, close their windows, and set their alarms at night.

CNN: Pistorius, and the psychology of walls