You readers really surprised us with the amount of love for our Top 10 Secrets of the Lincoln Tunnel last week. We’ve all been stuck in there and it’s fun to think there are secrets even of the most essential of infrastructure. This week, we’re tackling that other Hudson River crossing: the George Washington Bridge. Here are 10 secrets and fun facts:

10. The George Washington Bridge Gets Lit Up (Occasionally)

Photo by Dark Cyanide

Not commonly known about the George Washington Bridge is that it gets lit up, unannounced, for holidays a few times a year. It’s a smaller-scale program like that on the Empire State Building. Back in February, the towers were lit for President’s Day and the photographer Dark Cyanide shared us these shots he took (while almost floating away on the bed of ice).