Image may be NSFW.
Clik here to view.
Clik here to view.

This is an interactive elevation profile of the John Muir Trail in California that I've been working on with @[136970:Alyssa Pelletier]. The chart was built using Raphael.js. Pardon the choppiness of the GIF. The live demo can be found here: http://campfourcreative.com/sandbox/jmt/