Escalator

Bird Goes The Wrong Way On Escalator [Video]
I have to give this seagull some credit for trying to get a little extra exercise and walking down stairs when it could just fly.  But maybe next time though he shouldn't try walking down the escalator that's going UP!
DC Escalator Collapse
Surveillance video has been released by Metro of an escalator malfunction at the L’Enfant Plaza Metro Station. This incident occurred during the “Rally To Restore Sanity” event on the National Mall in October.