Quake-damaged Washington Monument may remain closed into 2014

Sandra Endo on the work it will take to repair cracks the Washington Monument suffered after a 2011 earthquake.

Passers-by react as engineers scale down the Washington Monument, checking for cracks after last month's earthquake.

Look at a first-person view from atop the Washington Monument as engineers inspect damage from an August earthquake.

Workers rappel down the Washington Monument to check for cracks in the structure's exterior.