Guides by Lonely Planet - Explore city guides curated by experts.
Ramsophone - A generative art/music machine. (Be sure to refresh!)
Foursquare City Guide - Foursquare City Guide is a Free to use mobile application that will lead you to the perfect spot anytime anywhere around the world.
Generative Art in Go - Learn the basics of algorithmic art with the Go language
Lonely Planet - travel guide book publisher
Big Art - Discover street art