A court ruled that a cross-shaped steel beam can stay on display at the World Trade Center memorial.
An appeals court determined that the 17-foot cross was a symbol of hope and not a religious symbol.
An atheist group filed the lawsuit against the museum and the Port Authority, arguing that the cross intentionally discriminated against atheists.
The cross was pulled from the rubble following the 9/11 attacks.
It was formed from steel beams that were part of the World Trade Center's North Tower.