Tulsa tunnel tours to offer visitors a glimpse of history beneath downtown
The history starts with the narrow tunnel connecting the Philtower and Philcade buildings, the oldest of the downtown tunnels, dug in 1929. |!| Tulsa
The history starts with the narrow tunnel connecting the Philtower and Philcade buildings, the oldest of the downtown tunnels, dug in 1929. |!| Tulsa