The sky above the Exploratotrium form July 2009 – July 2010. Well worth watching in 1080p full-screen.
More on the project over at Murphlabs.
All hail, ObeyKen / Murphlabs and his panoramic timelapse mastery!
And as for the Billy Goat Hill one, that's just very close to my heart. Panlapses, who knew?