| Ancient underground tunnel |
| Tunnel center? |
| Burial chamber with vaulted tunnels |
| Airport at one end of the Ted Williams Tunnel |
| Tunnel effect created by blowing air through a line of empty-headed participants? |
| Football Hall-of-Famer Tunnell |
| Weak-eyed tunneler |
| A tunnel, maybe |
| Airport near the Ted Williams tunnel |
| Channel Tunnel terminus |
| Furry tunneler |
| A tunnel or Neb.'s capital |
| Formicarium tunneler |
| Homes that may have tunnel entrances |
| Another tunnel-creating rodent |
| Mound over tunnels |
| Lawn tunneler |
| Tunneler |
| Little tunneler |
| Noted tunnelers |
| Yard tunneler |
| Colliery tunnel. |
| Tiny tunnelers |
| Tunnelers |
| Tiny tunneler |
| Certain tunnelers |
| See the light at the ___ of the tunnel |
| Garden tunneler |
| Tunnel |
| Suburban tunneler |