Zion Canyon, Utah.

Bryce Canyon, Utah.

Camp at Bryce Canyon, Utah showing the high elevations of the Markagunt Plateau.

Camp in the Prescott National Forest.

Cheoah Dam on the Little Tennessee River in Graham and Swain counties, North Carolina.

Cheoah Dam on the Little Tennessee River in Graham and Swain counties, North Carolina.

Cheoah Dam on the Little Tennessee River in Graham and Swain counties, North Carolina.

Cheoah Dam on the Little Tennessee River in Graham and Swain counties, North Carolina.

Grave of the first white child buried in the oldest town in Kentucky-- Harrodsburg.

Fort Harrod, built in 1777, was part of the first permanent settlement west of the Alleghenies in Harrodsburg, Kentucky.

Waterwheel at mill in Tennessee.

Waterwheel at mill in Tennessee.