Fourteen years later, the attacks of September 11, 2001 are still keenly felt.

Rising from the ashes of Ground Zero, the new One World Trade Center opened just last November; the 94-story building's observation deck opened to tourists earlier this year. This week, a new memorial museum opened in Shanksville, Pennsylvania, where Flight 93 crashed after passengers interfered with al Qaeda hijackers.

After terrorists led by Osama bin Laden hijacked four passenger airplanes on that day, nearly 3,000 people in New York, Virginia, and Pennsylvania lost their lives. Suffering continues alongside the memorializing—among those who lost loved ones and by survivors who sustained injuries or who were forever changed by the horrific events.

Last August, one of the Twin Towers' most famous survivors,