Click through the gallery above to see the best restaurants in Houston's underground tunnels downtown. Digital Producer, Chron.com / Houston Chronicle Heather Leighton is a digital producer for ...

On a weekday afternoon, if the sidewalks in downtown Houston look especially bare, it could be because all the pedestrians can be found beneath them. Houston's historic tunnel system is a maze of ...

HOUSTON -- Under the streets of downtown Houston sits a thriving city within the city, a network of brightly lit pedestrian tunnels linking dozens of skyscrapers, theaters, entertainment complexes ...

HOUSTON, Texas -- What used to be basements for buildings are now tunnels that connect more than 90 downtown city blocks. The tunnels are not a secret to people who work downtown, but for some ...