SummerOf.com gives you photos from typical holiday locations. But the twist is that you can select which summer you want to see pictures from, like Paris 2004.
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flightwise (formerly fboweb.com)
Travelfusion Flight search
Rome 2 Rio
Flickr Api Explorer
Kayak Search AS3
ActionScript Library for Flickr
Flickr API with AJAX
Scripting Flickr with Python and REST
Video Tutorial ASP.NET Mashups
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.