O’Hare International Airport - Tunnel

O’Hare International Airport Tunnel is the longest pedestrian tunnel in the world situated in the Chicago airport, stretching over two and a half miles. It serves as an iconic symbol of travel and adventure, connecting both terminals of the airport, as well as the CTA Blue Line Station and the O'Hare Metra Station. Inside the tunnel, there are public art pieces that make for a memorable experience. The tunnel is also lined with shops and eateries, making it a great place for travelers to pick up last-minute items or grab a bite to eat. The walk will take you around 45 minutes, depending on your pace and make sure you take a few photos to remember your visit!