http://wikimapia.org/#lang=en&lat=-56.601933&lon=-159.445782&z=13&m=w

negative space
http://en.wikipedia.org/wiki/Negative_space
fossil
http://www.efossils.org/
http://en.wikipedia.org/wiki/List_of_fossil_sites
DHL
http://hydrogenwire.com/2025/08/10/dhl-supply-chain-launches[...]
FedEx
http://www.fedex.com/us/
FedEx logo displays an arrow between letters E and X. Not being in full silhouette, the effect is subtle and may not be noticed
http://en.wikipedia.org/wiki/FedEx
Amazon
http://mezha.media/news/amazon-vulcan-robot-301756/
http://www.youtube.com/watch?v=2X4CU3jmw-g