Tunnels and bikes.

[klaviator]

Middle Tennessee today.

Another tunnel a few miles from the one above.

 

[kickstandsup]

Up the Hahntennjoch Pass, Austria. Note the switchback inside the tunnel...at least they warn you!

 

[twowings]

Needles Eye, Needles Highway, SD

 

[WayneJ]

Mary's Rock, Skyline Drive, VA

 

[WayneJ]

Mary's Rock from the north side.

 

[klaviator]

Gilman Tunnels, NM.

.

 

[mikegc]

Whittier, AK tunnel:

Mike

 

[klaviator]

Lewisburg, Tn.

 

[klaviator]

Near Ardmore, Tn.

 

[skibum69]

 

[klaviator]

Blue Ridge Parkway.

 

[klaviator]

Backbone tunnel, TN.