As airlines and airplanes have evolved, so have their "liveries" - the exterior designs, including paint colors and logos, on the aircraft. As planes crisscross the globe, their exterior graphics not only represent the companies that operate them but in many instances also serve as visual ambassadors for their respective homelands.
A great airline livery gives onlookers a taste of a carrier's values or its culture's ethos in an attractive and effective color scheme.
Airlines like Southwest, Spirit, and American have updated their liveries in recent years, with mixed results.
Others have hit home runs. Here's a selection of 15 airline exterior designs that look simply amazing.
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