Cumberland Gap National Historical Park

Shadows and light play out across the mountain ridges from the view at the Pinnacle Overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Thursday, June 11, 2015. Copyright 2015 Jason Barnette

Shadows and light play out across the mountain ridges from the view at the Pinnacle Overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Thursday, June 11, 2015. Copyright 2015 Jason Barnette

Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Thick clouds linger over the valleys and mountains to the west of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Thick clouds linger over the valleys and mountains to the west of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Thick clouds linger over the valleys and mountains to the west of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Thick clouds linger over the valleys and mountains to the west of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

People enjoy the expansive view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

People enjoy the expansive view of Powell's Valley from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of the highway interchange far below the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of the highway interchange far below the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Middlesboro from the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A turkey vulture, one of the many that lives along the ridge of the mountains, flies near the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A turkey vulture, one of the many that lives along the ridge of the mountains, flies near the scenic overlook at Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Fern Lake from a path near the top of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Fern Lake from a path near the top of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Fern Lake from a path near the top of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

A view of Fern Lake from a path near the top of Cumberland Gap National Historical Park in Middlesboro, KY on Saturday, May 9, 2015. Copyright 2015 Jason Barnette

Panorama view from near the Pinnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

Panorama view from near the Pinnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

View down from the PInnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

View down from the PInnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

A lake far below the Pinnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

A lake far below the Pinnacle Overlook in Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

Interior of an exhibit at the Visitors Center at Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

Interior of an exhibit at the Visitors Center at Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

Interior of the Visitors Center at Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette

Interior of the Visitors Center at Cumberland Gap National Historical Park in Middlesboro, KY on Tuesday, April 24, 2012. Copyright 2012 Jason Barnette